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