A211965 - OEIS

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A211965 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`4`
`3`		`12`
`4`		`40`
`5`		`148`
`6`		`572`
`7`		`2248`
`8`		`8920`
`9`		`35536`
`10`		`141860`
`11`		`566880`
`12`		`2266400`
`13`		`9063372`
`14`		`36249044`
`15`		`144987304`
`16`		`579931488`
`17`		`2319690516`
`18`		`9278691224`
`19`		`37114623248`
`20`		`148458209744`
`21`		`593832272556`
`22`		`2375327957436`
`23`		`9501309564288`
`24`		`38005233726372`
`25`		`152020925844036`

[2,4,12,40,148,572,2248,8920,35536,141860,566880, 2266400,9063372,36249044,144987304,579931488, 2319690516,9278691224,37114623248,148458209744, 593832272556,2375327957436,9501309564288, 38005233726372,152020925844036]

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Last modified September 11 05:04 EDT 2024. Contains 375814 sequences. (Running on oeis4.)