A209358 - OEIS

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A209358 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`8`
`3`		`40`
`4`		`228`
`5`		`1416`
`6`		`9312`
`7`		`63648`
`8`		`446760`
`9`		`3195728`
`10`		`23179840`
`11`		`169929280`
`12`		`1256234720`
`13`		`9350462400`
`14`		`69993150720`
`15`		`526455847680`
`16`		`3976132184160`
`17`		`30138433333440`
`18`		`229168000121600`
`19`		`1747455531216640`
`20`		`13358199405416320`
`21`		`102345801274115840`
`22`		`785740341422453760`

[1,2,8,40,228,1416,9312,63648,446760,3195728, 23179840,169929280,1256234720,9350462400, 69993150720,526455847680,3976132184160, 30138433333440,229168000121600,1747455531216640, 13358199405416320,102345801274115840, 785740341422453760]

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)