A215931 - OEIS

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A215931 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`16`
`3`		`105`
`4`		`770`
`5`		`6048`
`6`		`49764`
`7`		`423423`
`8`		`3695120`
`9`		`32891430`
`10`		`297473956`
`11`		`2725789248`
`12`		`25251200716`
`13`		`236101791900`
`14`		`2225241057600`
`15`		`21118368117105`
`16`		`201640796593290`
`17`		`1935642349666080`
`18`		`18670022226540300`
`19`		`180851385211254450`
`20`		`1758621701183524320`
`21`		`17160853351737885660`

[1,3,16,105,770,6048,49764,423423,3695120, 32891430,297473956,2725789248,25251200716, 236101791900,2225241057600,21118368117105, 201640796593290,1935642349666080, 18670022226540300,180851385211254450, 1758621701183524320,17160853351737885660]

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Last modified July 19 15:03 EDT 2024. Contains 374410 sequences. (Running on oeis4.)