A000776 - OEIS

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A000776 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`8`
`3`		`28`
`4`		`124`
`5`		`668`
`6`		`4248`
`7`		`31176`
`8`		`259488`
`9`		`2416032`
`10`		`24886080`
`11`		`281004480`
`12`		`3451887360`
`13`		`45832538880`
`14`		`654109585920`
`15`		`9986000371200`
`16`		`162391354675200`
`17`		`2802498609254400`
`18`		`51156349822771200`
`19`		`984775394044108800`
`20`		`19938798081699840000`
`21`		`423580563732049920000`

[1,3,8,28,124,668,4248,31176,259488,2416032, 24886080,281004480,3451887360,45832538880, 654109585920,9986000371200,162391354675200, 2802498609254400,51156349822771200, 984775394044108800,19938798081699840000, 423580563732049920000]

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Last modified April 19 02:28 EDT 2024. Contains 371782 sequences. (Running on oeis4.)