A218928 - OEIS

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A218928 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`15`
`5`		`168`
`6`		`2051`
`7`		`19305`
`8`		`283258`
`9`		`3255913`
`10`		`46464854`
`11`		`670282962`
`12`		`18723796793`
`13`		`321480817412`

[0,0,0,1,15,168,2051,19305,283258,3255913, 46464854,670282962,18723796793,321480817412]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)