A081018 - OEIS

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A081018 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`15`
`3`		`104`
`4`		`714`
`5`		`4895`
`6`		`33552`
`7`		`229970`
`8`		`1576239`
`9`		`10803704`
`10`		`74049690`
`11`		`507544127`
`12`		`3478759200`
`13`		`23843770274`
`14`		`163427632719`
`15`		`1120149658760`
`16`		`7677619978602`
`17`		`52623190191455`
`18`		`360684711361584`
`19`		`2472169789339634`
`20`		`16944503814015855`
`21`		`116139356908771352`
`22`		`796030994547383610`

[0,2,15,104,714,4895,33552,229970,1576239, 10803704,74049690,507544127,3478759200, 23843770274,163427632719,1120149658760, 7677619978602,52623190191455,360684711361584, 2472169789339634,16944503814015855, 116139356908771352,796030994547383610]

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)