A094808 - OEIS

A094808

Numbers of the form Fibonacci(p-1)/p, where p are primes ending in 1 or 9 (i.e., A045468).

5, 136, 10959, 26840, 2495955, 10021808981, 25377192720, 2681584376185, 113220181313816, 12360536835574179, 3507176714646157575, 152669979363491409744, 5030798638073511770858765, 222738121208382108330061096, 25556388788416277561281235799, 66021302497942406531221230200

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

MATHEMATICA

s = Select[ Prime[ Range[35]], Mod[ #, 10] == 1 || Mod[ #, 10] == 9 &]; Fibonacci[s - 1]/s (* Robert G. Wilson v, Jun 15 2004 *)

PROG

(PARI) forprime(p=11, 10^3, if((p+3)%5<2, next); print1(fibonacci(p-1)/p, ", ")); \\ Jinyuan Wang, Feb 24 2020

CROSSREFS

Cf. A045468, A094809, A096028.

Sequence in context: A229772 A082212 A208867 * A367528 A320995 A061453