A000939 - OEIS

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A000939 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`4`
`6`		`14`
`7`		`54`
`8`		`332`
`9`		`2246`
`10`		`18264`
`11`		`164950`
`12`		`1664354`
`13`		`18423144`
`14`		`222406776`
`15`		`2905943328`
`16`		`40865005494`
`17`		`615376173184`
`18`		`9880209206458`
`19`		`168483518571798`
`20`		`3041127561315224`
`21`		`57926238289970076`
`22`		`1161157777643184900`
`23`		`24434798429947993054`
`24`		`538583682082245127336`

[1,1,1,2,4,14,54,332,2246,18264,164950,1664354, 18423144,222406776,2905943328,40865005494, 615376173184,9880209206458,168483518571798, 3041127561315224,57926238289970076, 1161157777643184900,24434798429947993054, 538583682082245127336]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)