A261626 a(n) = Fibonacci(n!) - Fibonacci(n)!.

0, 0, 0, 6, 46362, 5358359254990966640871720

Offset

0,4

Links

Table of n, a(n) for n=0..5.

Formula

a(n) = A063374(n) - A060001(n).

log log a(n) ~ n log n. - Charles R Greathouse IV, Sep 14 2015

Example

For n = 1, a(n) = Fibonacci(n!) - Fibonacci(n)! = 1 - 1 = 0.

Prog

(PARI) a(n) = fibonacci(n!) - fibonacci(n)!;
vector(6, n, a(n-1))

Crossrefs

Cf. A000045, A060001, A063374.

Sequence in context: A256511 A295788 A295789 * A013838 A353033 A289391

Adjacent sequences: A261623 A261624 A261625 * A261627 A261628 A261629

Keyword

nonn

Author

Altug Alkan, Sep 14 2015

Status

approved