This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A125253 #5 Jul 21 2013 07:05:37 %S A125253 2269,2521,2731,2969,3571,3739,4481,4831,5741,6091,6329,6581,9521, %T A125253 10949,11159,11789,12391,13049,13679,14281,14449,14771,16829,16871, %U A125253 18229,19489,19559,20021,20399,21701,23269,24179,24571,26111,29191,31039 %N A125253 Primes p that divide Fibonacci[(p-1)/7]. %H A125253 Giovanni Resta, <a href="/A125253/b125253.txt">Table of n, a(n) for n = 1..1000</a> %t A125253 Select[Prime[Range[5000]], IntegerQ[Fibonacci[(#1-1)/7]/#1]&] %Y A125253 Cf. A125252 = Primes p that divide Fibonacci[(p+1)/7]. Cf. A122487 = Primes p that divide Fibonacci[(p+1)/2]. Cf. A047652 = Primes p that divide Fibonacci[(p-1)/3]. Cf. A001583 = Artiads. Primes p that divide Fibonacci[(p-1)/5]. %K A125253 nonn %O A125253 1,1 %A A125253 _Alexander Adamchuk_, Nov 26 2006