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A374872
Obverse convolution (2n+1)**(n!); see Comments.
1
2, 8, 72, 1680, 126000, 38811960, 61785091368, 616892274180000, 45374160012072012000, 28175746072918961153889000, 166250736077540332478371155891000, 10349136183590980028259106116944710102320, 7466148323412227422384379930251940448396455130000
OFFSET
0,1
COMMENTS
See A374848 for the definition of obverse convolution and a guide to related sequences.
MATHEMATICA
s[n_] := 2 n + 1; t[n_] := n!;
u[n_] := Product[s[k] + t[n - k], {k, 0, n}]
Table[u[n], {n, 0, 13}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Aug 28 2024
STATUS
approved