A027266 - OEIS

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A027266 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`18`
`3`		`72`
`4`		`180`
`5`		`648`
`6`		`1512`
`7`		`5184`
`8`		`11664`
`9`		`38880`
`10`		`85536`
`11`		`279936`
`12`		`606528`
`13`		`1959552`
`14`		`4199040`
`15`		`13436928`
`16`		`28553472`
`17`		`90699264`
`18`		`191476224`
`19`		`604661760`
`20`		`1269789696`
`21`		`3990767616`
`22`		`8344332288`
`23`		`26121388032`
`24`		`54419558400`
`25`		`169789022208`

[1,6,18,72,180,648,1512,5184,11664,38880,85536, 279936,606528,1959552,4199040,13436928,28553472, 90699264,191476224,604661760,1269789696, 3990767616,8344332288,26121388032,54419558400, 169789022208]

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Last modified May 8 19:26 EDT 2024. Contains 372341 sequences. (Running on oeis4.)