A330679 - OEIS

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A330679 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`12`
`5`		`40`
`6`		`180`
`7`		`936`
`8`		`5820`
`9`		`41288`
`10`		`331748`
`11`		`2968688`
`12`		`29307780`
`13`		`316273976`
`14`		`3704154568`
`15`		`46788812168`
`16`		`634037127612`
`17`		`9174782661984`
`18`		`141197140912208`
`19`		`2302765704401360`
`20`		`39671953757409256`
`21`		`719926077632193848`
`22`		`13726066030661998220`
`23`		`274313334040504957368`

[1,1,2,4,12,40,180,936,5820,41288,331748,2968688, 29307780,316273976,3704154568,46788812168, 634037127612,9174782661984,141197140912208, 2302765704401360,39671953757409256, 719926077632193848,13726066030661998220, 274313334040504957368]

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Last modified May 20 14:08 EDT 2024. Contains 372717 sequences. (Running on oeis4.)