A229638 - OEIS

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A229638 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`6`
`3`		`40`
`4`		`122`
`5`		`488`
`6`		`1608`
`7`		`5392`
`8`		`17368`
`9`		`55232`
`10`		`172896`
`11`		`535296`
`12`		`1641376`
`13`		`4992896`
`14`		`15083648`
`15`		`45297408`
`16`		`135323008`
`17`		`402405376`
`18`		`1191699968`
`19`		`3516119040`
`20`		`10339711488`
`21`		`30313351168`
`22`		`88624646144`
`23`		`258445856768`
`24`		`751910639616`
`25`		`2182836600832`

[0,6,40,122,488,1608,5392,17368,55232,172896, 535296,1641376,4992896,15083648,45297408, 135323008,402405376,1191699968,3516119040, 10339711488,30313351168,88624646144,258445856768, 751910639616,2182836600832]

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Last modified May 2 10:51 EDT 2024. Contains 372196 sequences. (Running on oeis4.)