A020017 - OEIS

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A020017 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`3`
`5`		`13`
`6`		`67`
`7`		`425`
`8`		`3103`
`9`		`25751`
`10`		`239483`
`11`		`2466678`
`12`		`27873456`
`13`		`342843514`
`14`		`4559818741`
`15`		`65205407995`
`16`		`997642742322`
`17`		`16261576699844`
`18`		`281325276907304`
`19`		`5148252567403659`
`20`		`99361274550890613`
`21`		`2017033873383079454`

[1,0,0,1,3,13,67,425,3103,25751,239483,2466678, 27873456,342843514,4559818741,65205407995, 997642742322,16261576699844,281325276907304, 5148252567403659,99361274550890613, 2017033873383079454]

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Last modified April 24 06:39 EDT 2024. Contains 371920 sequences. (Running on oeis4.)