freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-304-primonacci.md

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id challengeType videoUrl title
5900f49d1000cf542c50ffaf 5 问题304Primonacci

Description

对于任何正整数n函数next_primen返回最小质数p使得p> n。

序列an定义为 对于n> 1a1= next_prime1014和an= next_primean-1

斐波那契数列fn定义为 对于n> 1f0= 0f1= 1和fn= fn-1+ fn-2

序列bn定义为fan

求出∑bn为1≤n≤100000。 给出答案mod 1234567891011。

Instructions

Tests

tests:
  - text: <code>euler304()</code>应该返回283988410192。
    testString: assert.strictEqual(euler304(), 283988410192);

Challenge Seed

function euler304() {
  // Good luck!
  return true;
}

euler304();

Solution

// solution required

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