A279921 - OEIS

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A279921 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`0`
`3`		`15`
`4`		`142`
`5`		`1350`
`6`		`12858`
`7`		`119396`
`8`		`1095012`
`9`		`9924024`
`10`		`89076240`
`11`		`792954264`
`12`		`7008783648`
`13`		`61565762448`
`14`		`537846507200`
`15`		`4675888234720`
`16`		`40474106338144`
`17`		`348966901404864`
`18`		`2998086166443584`
`19`		`25674017271458048`
`20`		`219205885504644096`

[1,0,15,142,1350,12858,119396,1095012,9924024, 89076240,792954264,7008783648,61565762448, 537846507200,4675888234720,40474106338144, 348966901404864,2998086166443584, 25674017271458048,219205885504644096]

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Last modified April 16 12:52 EDT 2024. Contains 371711 sequences. (Running on oeis4.)