A231274 - OEIS

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A231274 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`18`
`4`		`104`
`5`		`736`
`6`		`6232`
`7`		`61632`
`8`		`698144`
`9`		`8917120`
`10`		`126807520`
`11`		`1987075872`
`12`		`34018221728`
`13`		`631698903712`
`14`		`12645901972000`
`15`		`271482140140704`
`16`		`6221487421328672`
`17`		`151587364647728032`
`18`		`3912949321334320672`
`19`		`106670353381399285920`
`20`		`3062317963564624162592`
`21`		`92345208262957730327968`

[1,1,4,18,104,736,6232,61632,698144,8917120, 126807520,1987075872,34018221728,631698903712, 12645901972000,271482140140704,6221487421328672, 151587364647728032,3912949321334320672, 106670353381399285920,3062317963564624162592, 92345208262957730327968]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)