A269889 - OEIS

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A269889 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`0`
`4`		`12`
`5`		`84`
`6`		`576`
`7`		`4320`
`8`		`36000`
`9`		`332640`
`10`		`3386880`
`11`		`37739520`
`12`		`457228800`
`13`		`5987520000`
`14`		`84304281600`
`15`		`1270312243200`
`16`		`20399720140800`
`17`		`347841381888000`
`18`		`6276836966400000`
`19`		`119510975840256000`
`20`		`2394487765942272000`
`21`		`50361071569256448000`
`22`		`1109403315728547840000`

[1,1,2,0,12,84,576,4320,36000,332640,3386880, 37739520,457228800,5987520000,84304281600, 1270312243200,20399720140800,347841381888000, 6276836966400000,119510975840256000, 2394487765942272000,50361071569256448000, 1109403315728547840000]

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Last modified July 13 11:10 EDT 2024. Contains 374282 sequences. (Running on oeis4.)