A149990 - OEIS

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A149990 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`17`
`4`		`57`
`5`		`207`
`6`		`765`
`7`		`2909`
`8`		`11291`
`9`		`44081`
`10`		`175584`
`11`		`703093`
`12`		`2841402`
`13`		`11564076`
`14`		`47337597`
`15`		`194895967`
`16`		`805502604`
`17`		`3345308673`
`18`		`13940425210`
`19`		`58284862481`
`20`		`244441854605`
`21`		`1027943841626`
`22`		`4333816696752`
`23`		`18311937717644`
`24`		`77543896603410`
`25`		`329004496264711`
`26`		`1398418407733861`
`27`		`5954013641050949`

[1,2,5,17,57,207,765,2909,11291,44081,175584, 703093,2841402,11564076,47337597,194895967, 805502604,3345308673,13940425210,58284862481, 244441854605,1027943841626,4333816696752, 18311937717644,77543896603410,329004496264711, 1398418407733861,5954013641050949]

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Last modified September 15 15:30 EDT 2024. Contains 375938 sequences. (Running on oeis4.)