A357721 - OEIS

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A357721 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`-2`
`3`		`9`
`4`		`-28`
`5`		`0`
`6`		`1200`
`7`		`-16464`
`8`		`167904`
`9`		`-1393200`
`10`		`7429240`
`11`		`43124400`
`12`		`-2404571904`
`13`		`55590286752`
`14`		`-1027511503200`
`15`		`16489054310400`
`16`		`-222885864448000`
`17`		`1994839594780032`
`18`		`14489184835474272`
`19`		`-1470395490046560000`
`20`		`54581408106475622400`
`21`		`-1608207353670788640000`

[1,0,-2,9,-28,0,1200,-16464,167904,-1393200, 7429240,43124400,-2404571904,55590286752, -1027511503200,16489054310400,-222885864448000, 1994839594780032,14489184835474272, -1470395490046560000,54581408106475622400, -1608207353670788640000]

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Last modified May 19 23:42 EDT 2024. Contains 372703 sequences. (Running on oeis4.)