A010797 - OEIS

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A010797

a(n) = n! * (n+1)! * (n+2)! / (2! * 3!).

2

1, 24, 1440, 172800, 36288000, 12192768000, 6145155072000, 4424511651840000, 4380266535321600000, 5781951826624512000000, 9921829334487662592000000, 21669275266521055100928000000

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..180

Index entries for sequences related to factorial numbers

MATHEMATICA

Times@@@Partition[Range[15]!, 3, 1]/(2!3!) (* Harvey P. Dale, Aug 06 2022 *)

CROSSREFS

Column 3 in triangle A009963.

Sequence in context: A187852 A276595 A348700 * A260784 A099060 A035174

Adjacent sequences: A010794 A010795 A010796 * A010798 A010799 A010800

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

EXTENSIONS

Offset changed to 1 by Seiichi Manyama, Aug 14 2023

STATUS

approved