A066857 - OEIS

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A066857 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`8`
`5`		`20`
`6`		`44`
`7`		`140`
`8`		`320`
`9`		`476`
`10`		`3584`
`11`		`12311`
`12`		`4604`
`13`		`74879`
`14`		`414119`
`15`		`2071775`
`16`		`5703551`
`17`		`11551671`
`18`		`45680444`
`19`		`442548224`
`20`		`1960632176`
`21`		`2657058876`
`22`		`24923993276`
`23`		`130518272975`
`24`		`1478154932316`
`25`		`5446454455004`
`26`		`38610655379975`

[0,1,2,8,20,44,140,320,476,3584,12311,4604,74879, 414119,2071775,5703551,11551671,45680444, 442548224,1960632176,2657058876,24923993276, 130518272975,1478154932316,5446454455004, 38610655379975]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)