A221546 - OEIS

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A221546 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`5`
`5`		`13`
`6`		`46`
`7`		`160`
`8`		`658`
`9`		`2867`
`10`		`13481`
`11`		`68123`
`12`		`363995`
`13`		`2059994`
`14`		`12265480`
`15`		`76553192`
`16`		`499565710`
`17`		`3397751507`
`18`		`24030183367`
`19`		`176345076712`
`20`		`1340147071794`
`21`		`10528875578996`
`22`		`85382909823373`
`23`		`713673454720854`
`24`		`6140525989112831`
`25`		`54321576239313034`
`26`		`493542862587980827`

[1,1,1,2,5,13,46,160,658,2867,13481,68123,363995, 2059994,12265480,76553192,499565710,3397751507, 24030183367,176345076712,1340147071794, 10528875578996,85382909823373,713673454720854, 6140525989112831,54321576239313034, 493542862587980827]

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Last modified May 14 01:40 EDT 2024. Contains 372528 sequences. (Running on oeis4.)