A263745 - OEIS

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A263745 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`24`
`5`		`120`
`6`		`720`
`7`		`2400`
`8`		`5424`
`9`		`11568`
`10`		`26796`
`11`		`68966`
`12`		`198332`
`13`		`558032`
`14`		`1509568`
`15`		`3898288`
`16`		`9694608`
`17`		`23885448`
`18`		`59953920`
`19`		`152383072`
`20`		`389677200`
`21`		`996510496`

[1,1,2,6,24,120,720,2400,5424,11568,26796,68966, 198332,558032,1509568,3898288,9694608,23885448, 59953920,152383072,389677200,996510496]

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Last modified May 17 02:32 EDT 2024. Contains 372572 sequences. (Running on oeis4.)