A079347 Fibonacci(p-(p/5)) is the first Fibonacci number that p divides and this is p-(p/5).
3, 4, 5, 8, 10, 18, 24, 30, 44, 58, 68, 70, 78, 84, 104, 128, 130, 164, 168, 178, 190, 224, 228, 238, 250, 270, 284, 310, 358, 368, 378, 384, 418, 430, 438, 444, 464, 468, 478, 488, 490, 498, 504, 524, 548, 570, 588, 598, 608, 630, 644, 648, 658, 684, 718, 728, 738, 750
Offset: 1
Keywords
Examples
a(4) = 8 because A079346(4) = 7, (7/5) = -1 and 7-(-1) = 8.
Links
- Amiram Eldar, Table of n, a(n) for n = 1..10000
Programs
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PARI
forprime (p=2, 500, wss=p-kronecker(5, p); for(n=1, wss, if( fibonacci(n)%p==0, if( n==wss, print1(wss", "), break) ) ))
Extensions
Offset corrected and a(1)-a(3) and more terms added by Amiram Eldar, Jun 22 2024