A001415 - OEIS

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A001415 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`8`
`3`		`60`
`4`		`320`
`5`		`1980`
`6`		`10512`
`7`		`60788`
`8`		`320896`
`9`		`1787904`
`10`		`9381840`
`11`		`51081844`
`12`		`266680992`
`13`		`1429703548`
`14`		`7432424160`
`15`		`39409195740`
`16`		`204150606976`
`17`		`1073644675448`
`18`		`5545305620064`

[1,2,8,60,320,1980,10512,60788,320896,1787904, 9381840,51081844,266680992,1429703548,7432424160, 39409195740,204150606976,1073644675448, 5545305620064]

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Last modified April 19 23:40 EDT 2024. Contains 371798 sequences. (Running on oeis4.)