A149989 - OEIS

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A149989 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`17`
`4`		`57`
`5`		`207`
`6`		`765`
`7`		`2881`
`8`		`11179`
`9`		`43677`
`10`		`173480`
`11`		`693553`
`12`		`2797983`
`13`		`11382137`
`14`		`46538292`
`15`		`191449223`
`16`		`790709157`
`17`		`3281073206`
`18`		`13667322149`
`19`		`57117349582`
`20`		`239451649152`
`21`		`1006502550212`
`22`		`4242216990195`
`23`		`17921591400135`
`24`		`75873336597512`
`25`		`321854231610450`
`26`		`1367802823437628`
`27`		`5823075621825059`

[1,2,5,17,57,207,765,2881,11179,43677,173480, 693553,2797983,11382137,46538292,191449223, 790709157,3281073206,13667322149,57117349582, 239451649152,1006502550212,4242216990195, 17921591400135,75873336597512,321854231610450, 1367802823437628,5823075621825059]

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