A026556 - OEIS

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A026556 as a simple table

`n`		`a(n)`
`3`		`1`
`4`		`3`
`5`		`8`
`6`		`24`
`7`		`52`
`8`		`156`
`9`		`319`
`10`		`954`
`11`		`1910`
`12`		`5696`
`13`		`11304`
`14`		`33648`
`15`		`66514`
`16`		`197778`
`17`		`390266`
`18`		`1159844`
`19`		`2286996`
`20`		`6795576`
`21`		`13397075`
`22`		`39809076`
`23`		`78489235`
`24`		`233262931`
`25`		`460030947`
`26`		`1367463642`
`27`		`2697786052`
`28`		`8021305890`
`29`		`15830906756`
`30`		`47082494816`

[1,3,8,24,52,156,319,954,1910,5696,11304,33648, 66514,197778,390266,1159844,2286996,6795576, 13397075,39809076,78489235,233262931,460030947, 1367463642,2697786052,8021305890,15830906756, 47082494816]

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)