A227081 - OEIS

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A227081 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`8`
`3`		`40`
`4`		`212`
`5`		`1152`
`6`		`6360`
`7`		`35520`
`8`		`200132`
`9`		`1135456`
`10`		`6478088`
`11`		`37128896`
`12`		`213617704`
`13`		`1233014720`
`14`		`7136819376`
`15`		`41408161920`
`16`		`240758343684`
`17`		`1402436532576`
`18`		`8182797500328`
`19`		`47814708577728`
`20`		`279768031296312`
`21`		`1638915078384960`
`22`		`9611453035886160`

[1,2,8,40,212,1152,6360,35520,200132,1135456, 6478088,37128896,213617704,1233014720,7136819376, 41408161920,240758343684,1402436532576, 8182797500328,47814708577728,279768031296312, 1638915078384960,9611453035886160]

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Last modified August 12 08:19 EDT 2024. Contains 375085 sequences. (Running on oeis4.)