A396226 a(n) = (n!)^7.

1, 1, 128, 279936, 4586471424, 358318080000000, 100306130042880000000, 82606411253903523840000000, 173238200573946282828103680000000, 828592942960967278432052230225920000000, 8285929429609672784320522302259200000000000000, 161469323688736156802100136913438716723200000000000000

Offset

0,3

Links

Table of n, a(n) for n=0..11.

Formula

a(n) = A396225(n) * A000142(n).

a(n) = A001015(A000142(n)).

Mathematica

Table[n!^7, {n, 0, 11}]

Prog

(PARI) a(n)=n!^7

Crossrefs

Cf. A396452 (sum of reciprocals).

Cf. A000142, A001015, A001044, A000442, A036740, A010050, A009445, A134366, A134367, A134368, A134369, A134371, A134372, A134373, A134374, A134375, A396224, A396225.

Row n=7 of A225816.

Sequence in context: A016831 A103348 A334669 * A069446 A227605 A016879

Adjacent sequences: A396223 A396224 A396225 * A396227 A396228 A396230

Keyword

nonn,easy

Author

Kelvin Voskuijl, May 20 2026

Status

approved