A030891 - OEIS

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A030891 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`10`
`4`		`40`
`5`		`203`
`6`		`1222`
`7`		`8557`
`8`		`68460`
`9`		`616146`
`10`		`6161460`
`11`		`67776061`
`12`		`813312734`
`13`		`10573065543`
`14`		`148022917610`
`15`		`2220343764162`
`16`		`35525500226600`
`17`		`603933503852210`
`18`		`10870803069339780`
`19`		`206545258317455828`
`20`		`4130905166349116567`

[1,3,10,40,203,1222,8557,68460,616146,6161460, 67776061,813312734,10573065543,148022917610, 2220343764162,35525500226600,603933503852210, 10870803069339780,206545258317455828, 4130905166349116567]

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Last modified July 15 21:59 EDT 2024. Contains 374334 sequences. (Running on oeis4.)