A129772 - OEIS

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A129772 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`16`
`4`		`48`
`5`		`140`
`6`		`420`
`7`		`1248`
`8`		`3744`
`9`		`11200`
`10`		`33600`
`11`		`100704`
`12`		`302112`
`13`		`906056`
`14`		`2718168`
`15`		`8153664`
`16`		`24460992`
`17`		`73380480`
`18`		`220141440`
`19`		`660416832`
`20`		`1981250496`
`21`		`5943729088`
`22`		`17831187264`
`23`		`53493494592`
`24`		`160480483776`
`25`		`481441249920`
`26`		`1444323749760`

[1,2,6,16,48,140,420,1248,3744,11200,33600,100704, 302112,906056,2718168,8153664,24460992,73380480, 220141440,660416832,1981250496,5943729088, 17831187264,53493494592,160480483776,481441249920, 1444323749760]

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Last modified June 17 02:48 EDT 2024. Contains 373432 sequences. (Running on oeis4.)