A271356 - OEIS

A271356

Difference sequence of the sequence A271354 of the increasing sequence of products of two distinct Fibonacci numbers greater than 1.

4, 5, 1, 8, 2, 13, 1, 2, 21, 2, 3, 34, 2, 1, 5, 55, 3, 2, 8, 89, 5, 1, 2, 13, 144, 8, 2, 3, 21, 233, 13, 2, 1, 5, 34, 377, 21, 3, 2, 8, 55, 610, 34, 5, 1, 2, 13, 89, 987, 55, 8, 2, 3, 21, 144, 1597, 89, 13, 2, 1, 5, 34, 233, 2584, 144, 21, 3, 2, 8, 55, 377

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OFFSET

1,1

COMMENTS

Conjecture: every term except the first is a Fibonacci number.

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..1000

MATHEMATICA

z = 100; f[n_] := Fibonacci[n];

t = Take[Sort[Flatten[Table[f[m] f[n], {n, 3, z}, {m, 3, n - 1}]]], 1000];

Differences[t]

CROSSREFS