A001508 - OEIS

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A001508 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`13`
`6`		`252`
`7`		`3740`
`8`		`51300`
`9`		`685419`
`10`		`9095856`
`11`		`120872850`
`12`		`1614234960`
`13`		`21697730835`
`14`		`293695935764`
`15`		`4003423965684`
`16`		`54944523689692`
`17`		`758990230992175`
`18`		`10548884795729280`
`19`		`147458773053913268`
`20`		`2072369440050644208`
`21`		`29271357456284966994`

[0,0,0,0,13,252,3740,51300,685419,9095856, 120872850,1614234960,21697730835,293695935764, 4003423965684,54944523689692,758990230992175, 10548884795729280,147458773053913268, 2072369440050644208,29271357456284966994]

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Last modified April 24 05:49 EDT 2024. Contains 371918 sequences. (Running on oeis4.)