A044047 - OEIS

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A044047 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`2`
`5`		`12`
`6`		`56`
`7`		`282`
`8`		`1365`
`9`		`6666`
`10`		`32002`
`11`		`153350`
`12`		`731156`
`13`		`3480594`
`14`		`16546884`
`15`		`78644579`
`16`		`373813930`
`17`		`1777680136`
`18`		`8459543997`
`19`		`40290717546`
`20`		`192072529566`
`21`		`916541991433`
`22`		`4378019950311`
`23`		`20933668637794`
`24`		`100196639221232`

[0,0,0,1,2,12,56,282,1365,6666,32002,153350, 731156,3480594,16546884,78644579,373813930, 1777680136,8459543997,40290717546,192072529566, 916541991433,4378019950311,20933668637794, 100196639221232]

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)