A020014 - OEIS

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A020014 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`3`
`6`		`13`
`7`		`81`
`8`		`577`
`9`		`4665`
`10`		`42405`
`11`		`427909`
`12`		`4745900`
`13`		`57382240`
`14`		`751185683`
`15`		`10584889175`
`16`		`159735600270`
`17`		`2570291022522`
`18`		`43928610203109`
`19`		`794708493674422`
`20`		`15171707606511701`
`21`		`304813398276280545`
`22`		`6428791672736098775`

[1,0,0,0,1,3,13,81,577,4665,42405,427909,4745900, 57382240,751185683,10584889175,159735600270, 2570291022522,43928610203109,794708493674422, 15171707606511701,304813398276280545, 6428791672736098775]

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Last modified April 23 02:53 EDT 2024. Contains 371906 sequences. (Running on oeis4.)