A003069 - OEIS

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A003069 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`20`
`6`		`88`
`7`		`632`
`8`		`8816`
`9`		`217616`
`10`		`10240960`
`11`		`920250720`
`12`		`155094492288`
`13`		`48647483234624`
`14`		`28422244905194880`
`15`		`31028639315541654400`
`16`		`63535600643007773309952`
`17`		`244919299732387943680047360`
`18`		`1783414099102940635260044486144`

[1,1,2,6,20,88,632,8816,217616,10240960,920250720, 155094492288,48647483234624,28422244905194880, 31028639315541654400,63535600643007773309952, 244919299732387943680047360, 1783414099102940635260044486144]

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Last modified June 5 14:50 EDT 2024. Contains 373107 sequences. (Running on oeis4.)