A079349 p-(p/5) where Fibonacci(p-(p/5)) is not the first Fibonacci number that p divides.

14, 18, 28, 38, 40, 48, 54, 60, 74, 88, 98, 100, 108, 108, 114, 138, 138, 148, 150, 158, 174, 180, 194, 198, 198, 210, 228, 234, 240, 258, 264, 268, 278, 280, 294, 308, 314, 318, 330, 338, 348, 348, 354, 374, 388, 398, 400, 408, 420, 434, 448, 458, 460

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Example

A079348(1) = 13, (13/5) = -1, hence a(1) = 14.

Prog

(PARI) quad5(x)=if (x%5>1 && x%5<4, -1, 1);
forprime (p=7, 500, wss=p-quad5(p); for (n=1, wss, if (fibonacci(n)%p==0, if (n<wss, print1(wss", "); break))))

Crossrefs

Cf. A079346, A079347, A079348.

Sequence in context: A169871 A304144 A327933 * A355041 A212047 A244034

Adjacent sequences: A079346 A079347 A079348 * A079350 A079351 A079352

Keyword

nonn

Author

Jon Perry, Jan 04 2003

Extensions

Offset corrected by Amiram Eldar, Jun 22 2024

Status

approved