A222913 - OEIS

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A222913 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`6`
`3`		`18`
`4`		`136`
`5`		`654`
`6`		`3972`
`7`		`21778`
`8`		`127226`
`9`		`727214`
`10`		`4237154`
`11`		`24617576`
`12`		`144049162`
`13`		`843945398`
`14`		`4961892900`
`15`		`29226194746`
`16`		`172530718840`
`17`		`1020187713214`
`18`		`6042341555988`
`19`		`35837121558046`
`20`		`212824919490178`
`21`		`1265353059527832`

[0,6,18,136,654,3972,21778,127226,727214,4237154, 24617576,144049162,843945398,4961892900, 29226194746,172530718840,1020187713214, 6042341555988,35837121558046,212824919490178, 1265353059527832]

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Last modified April 24 13:00 EDT 2024. Contains 371945 sequences. (Running on oeis4.)