A121586 - OEIS

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A121586 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`13`
`4`		`70`
`5`		`446`
`6`		`3276`
`7`		`27252`
`8`		`253296`
`9`		`2602224`
`10`		`29288160`
`11`		`358457760`
`12`		`4740577920`
`13`		`67375532160`
`14`		`1024208720640`
`15`		`16583626886400`
`16`		`284953145702400`
`17`		`5178968115148800`
`18`		`99268112350310400`
`19`		`2001336861359001600`
`20`		`42337994134947840000`
`21`		`937755916997437440000`

[1,1,3,13,70,446,3276,27252,253296,2602224, 29288160,358457760,4740577920,67375532160, 1024208720640,16583626886400,284953145702400, 5178968115148800,99268112350310400, 2001336861359001600,42337994134947840000, 937755916997437440000]

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Last modified April 26 12:25 EDT 2024. Contains 371997 sequences. (Running on oeis4.)