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 A094400 #7 Jul 21 2013 07:05:16 %S A094400 7743,27071,54839,72831,217257,388367,417601,575599,670879,691447, %T A094400 701569,809999,850541,881011,1274897,1365407,1383249,1464449,1504097, %U A094400 1653751,1922817,2106017,2276351,2385811,2474047,2556553,2628879,2697899,2804543,3017729,3352049 %N A094400 Odd n dividing Fibonacci(n)-1 but neither Fibonacci(n-1) nor Fibonacci(n+1). %H A094400 Giovanni Resta, <a href="/A094400/b094400.txt">Table of n, a(n) for n = 1..559</a> (terms < 4*10^9) %t A094400 Select[Range[50000], OddQ[ # ] && Mod[Fibonacci[ # ] - 1, # ] == 0 && ! Mod[Fibonacci[ # - 1], # ] == 0 && ! Mod[Fibonacci[ # + 1], # ] == 0 &] %Y A094400 Cf. A069106, A069107, A094394, A094401, A094402. %K A094400 nonn %O A094400 1,1 %A A094400 _Eric Rowland_, May 01 2004 %E A094400 Offset corrected by and a(15)-a(31) from _Giovanni Resta_, Jul 20 2013