A135425 a(n) = 6^n * 7^(n^2).

1, 42, 86436, 8716379112, 43069878018202896, 10428149586506991068675232, 123719154344427992379322114891976256, 71922158596935138096613542488243622890285377152

Offset

0,2

Comments

Hankel transform of A132866.

Links

G. C. Greubel, Table of n, a(n) for n = 0..25

Formula

a(n) = 6^n*7^(n^2) = A000400(n)*A060759(n).

Mathematica

Table[6^n * 7^(n^2), {n, 0, 25}] (* G. C. Greubel, Oct 14 2016 *)

Crossrefs

Cf. A000400, A060759, A132866.

Sequence in context: A159433 A368023 A135314 * A028669 A348820 A147687

Adjacent sequences: A135422 A135423 A135424 * A135426 A135427 A135428

Keyword

nonn

Author

Philippe Deléham, Dec 12 2007

Status

approved