A009565 - OEIS

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A009565 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`16`
`5`		`96`
`6`		`576`
`7`		`3368`
`8`		`20672`
`9`		`141760`
`10`		`1091200`
`11`		`9098112`
`12`		`79676928`
`13`		`726208640`
`14`		`6919738112`
`15`		`69344336896`
`16`		`731241201664`
`17`		`8076031881216`
`18`		`92856867250176`
`19`		`1106883171037184`
`20`		`13655807547883520`
`21`		`174298975125127168`
`22`		`2300708116863287296`
`23`		`31372716744306524160`

[0,1,2,4,16,96,576,3368,20672,141760,1091200, 9098112,79676928,726208640,6919738112,69344336896, 731241201664,8076031881216,92856867250176, 1106883171037184,13655807547883520, 174298975125127168,2300708116863287296, 31372716744306524160]

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Last modified August 9 13:53 EDT 2024. Contains 375042 sequences. (Running on oeis4.)