A374876 Obverse convolution (n!)**A000032; see Comments.

3, 6, 32, 480, 36400, 15811200, 48402042480, 1206043046666640, 276580685164781030400, 652981562430940302718878720, 17542316699101442389453162362832320, 5863769800904933880463358889014242882022400, 26512736336116399269871416473897490370043694674400000

Offset

0,1

Comments

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

Links

Table of n, a(n) for n=0..12.

Mathematica

s[n_] := n!; t[n_] := LucasL[n];
u[n_] := Product[s[k] + t[n - k], {k, 0, n}]
Table[u[n], {n, 0, 13}]

Crossrefs

Cf. A000032, A000142, A374848.

Sequence in context: A186940 A376311 A101751 * A274999 A133665 A124178

Adjacent sequences: A374873 A374874 A374875 * A374877 A374878 A374879

Keyword

nonn

Author

Clark Kimberling, Sep 13 2024

Status

approved