A049128 - OEIS

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A049128 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`20`
`6`		`70`
`7`		`255`
`8`		`959`
`9`		`3696`
`10`		`14520`
`11`		`57930`
`12`		`234080`
`13`		`955999`
`14`		`3939949`
`15`		`16364985`
`16`		`68437033`
`17`		`287910048`
`18`		`1217627176`
`19`		`5173854018`
`20`		`22077273858`
`21`		`94564541166`
`22`		`406451008386`
`23`		`1752472631360`
`24`		`7577758539846`
`25`		`32852955892191`

[1,1,2,6,20,70,255,959,3696,14520,57930,234080, 955999,3939949,16364985,68437033,287910048, 1217627176,5173854018,22077273858,94564541166, 406451008386,1752472631360,7577758539846, 32852955892191]

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Last modified August 17 09:16 EDT 2024. Contains 375209 sequences. (Running on oeis4.)