A086854 - OEIS

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A086854 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`2`
`5`		`16`
`6`		`120`
`7`		`888`
`8`		`7198`
`9`		`64968`
`10`		`650644`
`11`		`7165200`
`12`		`86059242`
`13`		`1119549472`
`14`		`15682257872`
`15`		`235336043976`
`16`		`3766695159030`
`17`		`64052134910168`
`18`		`1153211148654348`
`19`		`21915344800505888`
`20`		`438380075974889154`
`21`		`9207290871553008240`
`22`		`202585136417883766472`
`23`		`4659950328485470292632`

[0,0,0,0,2,16,120,888,7198,64968,650644,7165200, 86059242,1119549472,15682257872,235336043976, 3766695159030,64052134910168,1153211148654348, 21915344800505888,438380075974889154, 9207290871553008240,202585136417883766472, 4659950328485470292632]

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Last modified April 18 21:51 EDT 2024. Contains 371781 sequences. (Running on oeis4.)