A221788 - OEIS

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A221788 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`5`
`5`		`24`
`6`		`142`
`7`		`840`
`8`		`4919`
`9`		`28704`
`10`		`167344`
`11`		`975408`
`12`		`5685161`
`13`		`33135624`
`14`		`193128658`
`15`		`1125636408`
`16`		`6560689883`
`17`		`38238502992`
`18`		`222870328180`
`19`		`1298983466208`
`20`		`7571030469197`
`21`		`44127199349112`
`22`		`257192165625622`
`23`		`1499025794404776`

[0,0,0,5,24,142,840,4919,28704,167344,975408, 5685161,33135624,193128658,1125636408,6560689883, 38238502992,222870328180,1298983466208, 7571030469197,44127199349112,257192165625622, 1499025794404776]

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)