A134355 A001044(n)-A134354(n).

0, 0, 2, 23, 471, 14189, 597257, 33501237, 2415131467, 217579283654, 23953174092058, 3163948015772640, 493855720249671680, 89925233867931779072, 18892189483975198113792, 4535777807395775857033216

Offset

1,3

Links

Table of n, a(n) for n=1..16.

Formula

a(n)=A001044(n)-A134354(n)

Mathematica

Table[Round[N[(n!)^2 - 2*Pi*n*E^(-2*n)*n^(2*n)]], {n, 1, 100}]

Crossrefs

Cf. A001044, A134354.

Sequence in context: A119774 A074649 A233211 * A187656 A350376 A255907

Adjacent sequences: A134352 A134353 A134354 * A134356 A134357 A134358

Keyword

nonn

Author

Artur Jasinski, Oct 22 2007

Status

approved