A000136 - OEIS

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A000136 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`16`
`5`		`50`
`6`		`144`
`7`		`462`
`8`		`1392`
`9`		`4536`
`10`		`14060`
`11`		`46310`
`12`		`146376`
`13`		`485914`
`14`		`1557892`
`15`		`5202690`
`16`		`16861984`
`17`		`56579196`
`18`		`184940388`
`19`		`622945970`
`20`		`2050228360`
`21`		`6927964218`
`22`		`22930109884`
`23`		`77692142980`
`24`		`258360586368`
`25`		`877395996200`
`26`		`2929432171328`
`27`		`9968202968958`
`28`		`33396290888520`
`29`		`113837957337750`

[1,2,6,16,50,144,462,1392,4536,14060,46310,146376, 485914,1557892,5202690,16861984,56579196, 184940388,622945970,2050228360,6927964218, 22930109884,77692142980,258360586368,877395996200, 2929432171328,9968202968958,33396290888520, 113837957337750]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)