A049141 - OEIS

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A049141 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`20`
`6`		`72`
`7`		`270`
`8`		`1049`
`9`		`4176`
`10`		`16962`
`11`		`69990`
`12`		`292608`
`13`		`1236718`
`14`		`5275724`
`15`		`22685636`
`16`		`98225447`
`17`		`427888458`
`18`		`1873979814`
`19`		`8246535936`
`20`		`36444747110`
`21`		`161685649174`
`22`		`719819353928`
`23`		`3214805630688`
`24`		`14399464322254`
`25`		`64668729869542`

[1,1,2,6,20,72,270,1049,4176,16962,69990,292608, 1236718,5275724,22685636,98225447,427888458, 1873979814,8246535936,36444747110,161685649174, 719819353928,3214805630688,14399464322254, 64668729869542]

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Last modified May 4 18:21 EDT 2024. Contains 372257 sequences. (Running on oeis4.)