A291189 - OEIS

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A291189 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`16`
`6`		`48`
`7`		`152`
`8`		`501`
`9`		`1690`
`10`		`5822`
`11`		`20388`
`12`		`72360`
`13`		`259688`
`14`		`940792`
`15`		`3435904`
`16`		`12636554`
`17`		`46760376`
`18`		`173971252`
`19`		`650380288`
`20`		`2441905192`
`21`		`9203979808`
`22`		`34813551616`
`23`		`132101846848`
`24`		`502732914346`
`25`		`1918353118348`
`26`		`7338208929260`
`27`		`28134551443480`
`28`		`108094972590872`
`29`		`416122805092224`
`30`		`1604832481200352`
`31`		`6199797669769760`
`32`		`23989294121910790`
`33`		`92962226232374892`
`34`		`360749306397285812`

[1,1,2,6,16,48,152,501,1690,5822,20388,72360, 259688,940792,3435904,12636554,46760376,173971252, 650380288,2441905192,9203979808,34813551616, 132101846848,502732914346,1918353118348, 7338208929260,28134551443480,108094972590872, 416122805092224,1604832481200352,6199797669769760, 23989294121910790,92962226232374892, 360749306397285812]

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Last modified June 27 22:26 EDT 2024. Contains 373758 sequences. (Running on oeis4.)