A038156 - OEIS

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A038156 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`2`
`3`		`9`
`4`		`40`
`5`		`205`
`6`		`1236`
`7`		`8659`
`8`		`69280`
`9`		`623529`
`10`		`6235300`
`11`		`68588311`
`12`		`823059744`
`13`		`10699776685`
`14`		`149796873604`
`15`		`2246953104075`
`16`		`35951249665216`
`17`		`611171244308689`
`18`		`11001082397556420`
`19`		`209020565553571999`
`20`		`4180411311071440000`
`21`		`87788637532500240021`
`22`		`1931350025715005280484`

[0,0,2,9,40,205,1236,8659,69280,623529,6235300, 68588311,823059744,10699776685,149796873604, 2246953104075,35951249665216,611171244308689, 11001082397556420,209020565553571999, 4180411311071440000,87788637532500240021, 1931350025715005280484]

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)