A117615 - OEIS

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A117615 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`4`
`3`		`18`
`4`		`72`
`5`		`290`
`6`		`1160`
`7`		`4642`
`8`		`18568`
`9`		`74274`
`10`		`297096`
`11`		`1188386`
`12`		`4753544`
`13`		`19014178`
`14`		`76056712`
`15`		`304226850`
`16`		`1216907400`
`17`		`4867629602`
`18`		`19470518408`
`19`		`77882073634`
`20`		`311528294536`
`21`		`1246113178146`
`22`		`4984452712584`
`23`		`19937810850338`
`24`		`79751243401352`

[0,1,4,18,72,290,1160,4642,18568,74274,297096, 1188386,4753544,19014178,76056712,304226850, 1216907400,4867629602,19470518408,77882073634, 311528294536,1246113178146,4984452712584, 19937810850338,79751243401352]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)