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A374867
Obverse convolution (2n+1)**A000045; see Comments.
1
1, 6, 40, 504, 8640, 221760, 8087040, 426888000, 32620363776, 3648685824000, 602632706457600, 148439180079590400, 55016878371840000000, 30938118932878961836032, 26590262111772239462400000, 35154873540222607725345792000, 71898404594761985678156759040000
OFFSET
0,2
COMMENTS
See A374848 for the definition of obverse convolution and a guide to related sequences.
MATHEMATICA
s[n_] := 2 n + 1; t[n_] := Fibonacci[n];
u[n_] := Product[s[k] + t[n - k], {k, 0, n}]
Table[u[n], {n, 0, 20}]
CROSSREFS
Cf. A0056408, A000045, A374848.
Sequence in context: A053677 A204563 A356540 * A196449 A281262 A186196
KEYWORD
nonn
AUTHOR
Clark Kimberling, Aug 28 2024
STATUS
approved