[seqfan] Q regarding A023172 (Numbers n such that n divides Fib(n).)

Joerg Arndt arndt at jjj.de
Sun Nov 28 11:47:36 CET 2010


Can anyone answer the following?

"Are there any a(n)>1 that are neither
 a multiple of 5 nor a multiple of 5?"

See (the pink box near top in)
 http://oeis.org/history?seq=A023172





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