A035087 - OEIS

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A035087 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`0`
`3`		`3`
`4`		`12`
`5`		`135`
`6`		`1440`
`7`		`20895`
`8`		`342720`
`9`		`6585705`
`10`		`142430400`
`11`		`3449279295`
`12`		`92207808000`
`13`		`2699909867655`
`14`		`85900402748160`
`15`		`2951318065570875`
`16`		`108894519775641600`
`17`		`4294542443185019025`
`18`		`180277244225580902400`
`19`		`8025792422657714379675`
`20`		`377695544010698833920000`

[1,0,3,12,135,1440,20895,342720,6585705,142430400, 3449279295,92207808000,2699909867655, 85900402748160,2951318065570875, 108894519775641600,4294542443185019025, 180277244225580902400,8025792422657714379675, 377695544010698833920000]

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Last modified June 4 17:49 EDT 2024. Contains 373102 sequences. (Running on oeis4.)