A003430 - OEIS

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A003430 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`15`
`5`		`48`
`6`		`167`
`7`		`602`
`8`		`2256`
`9`		`8660`
`10`		`33958`
`11`		`135292`
`12`		`546422`
`13`		`2231462`
`14`		`9199869`
`15`		`38237213`
`16`		`160047496`
`17`		`674034147`
`18`		`2854137769`
`19`		`12144094756`
`20`		`51895919734`
`21`		`222634125803`
`22`		`958474338539`
`23`		`4139623680861`
`24`		`17931324678301`
`25`		`77880642231286`
`26`		`339093495674090`
`27`		`1479789701661116`

[1,1,2,5,15,48,167,602,2256,8660,33958,135292, 546422,2231462,9199869,38237213,160047496, 674034147,2854137769,12144094756,51895919734, 222634125803,958474338539,4139623680861, 17931324678301,77880642231286,339093495674090, 1479789701661116]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)