A000270 - OEIS

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A000270 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`0`
`3`		`3`
`4`		`16`
`5`		`95`
`6`		`672`
`7`		`5397`
`8`		`48704`
`9`		`487917`
`10`		`5373920`
`11`		`64547175`
`12`		`839703696`
`13`		`11762247419`
`14`		`176509466560`
`15`		`2825125339305`
`16`		`48040633506048`
`17`		`864932233294681`
`18`		`16436901752820288`
`19`		`328791893988472843`
`20`		`6905593482159150480`
`21`		`151941269284478380119`
`22`		`3495011687269591273312`

[1,1,0,3,16,95,672,5397,48704,487917,5373920, 64547175,839703696,11762247419,176509466560, 2825125339305,48040633506048,864932233294681, 16436901752820288,328791893988472843, 6905593482159150480,151941269284478380119, 3495011687269591273312]

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Last modified May 21 19:35 EDT 2024. Contains 372738 sequences. (Running on oeis4.)