fix: Improve formatting for Pascal's triangle challenge (#35531)
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@ -8,83 +8,21 @@ title: 'Problem 148: Exploring Pascal''s triangle'
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<section id='description'>
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We can easily verify that none of the entries in the first seven rows of Pascal's triangle are divisible by 7:
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1
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1
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1
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1
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2
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1
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1
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3
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3
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1
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1
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4
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6
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4
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1
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1
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5
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10
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10
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5
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1
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1
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6
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15
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20
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15
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6
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1
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<pre>
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1
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1 1
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1 2 1
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1 3 3 1
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1 4 6 4 1
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1 5 10 10 5 1
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1 6 15 20 15 6 1
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</pre>
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However, if we check the first one hundred rows, we will find that only 2361 of the 5050 entries are not divisible by 7.
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Find the number of entries which are not divisible by 7 in the first one billion (109) rows of Pascal's triangle.
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</section>
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## Instructions
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<section id='instructions'>
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Find the number of entries which are not divisible by 7 in the first one billion (10<sup>9</sup>) rows of Pascal's triangle.
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</section>
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## Tests
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