A374888 Obverse convolution (n^2)**(2^n-1); see Comments.

0, 1, 24, 1260, 134400, 27825600, 10899173376, 7971621181440, 10829569720320000, 27308175266547302400, 128069656186139600486400, 1120848255964556990600970240, 18380825707334913958072025088000, 567246092895752640232676105650176000

Offset: 0

Author

Clark Kimberling, Sep 14 2024

Keywords

• nonn

Comments

See A374848 for the definition of obverse convolution and a guide to related sequences.

Crossrefs

Cf. A000225, A000290, A374848.

Programs

Mathematica

s[n_] := n^2; t[n_] := 2^n - 1;
u[n_] := Product[s[k] + t[n - k], {k, 0, n}]
Table[u[n], {n, 0, 20}]