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 A093372 #11 Jun 13 2020 07:57:15 %S A093372 4181,5474,6479,6721,13201,15251,27071,34561,44099,47519,51841,54839, %T A093372 64079,64681,65471,67861,68251,72831,78089,90061,96049,97921,109871, %U A093372 118441,139359,146611,157079,163081,168299,186961,196559,197209,219781 %N A093372 Composite k such that Fibonacci(k) == Legendre(k,5) == 1 (mod k). %H A093372 Amiram Eldar, <a href="/A093372/b093372.txt">Table of n, a(n) for n = 1..300</a> %t A093372 Select[ Range[ 2, 100000 ], ! PrimeQ[ # ] && Mod[ Fibonacci[ # ] - JacobiSymbol[ #, 5 ], # ] == 0 && JacobiSymbol[ #, 5 ] == 1 & ] %Y A093372 Cf. A049062, A090820, A094063. %K A093372 nonn %O A093372 1,1 %A A093372 _N. J. A. Sloane_, Apr 29 2004 %E A093372 More terms from _Eric Rowland_, Apr 29 2004 %E A093372 More terms from _Ryan Propper_, Jul 21 2006