A272485 - OEIS

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A272485 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`20`
`6`		`72`
`7`		`274`
`8`		`1084`
`9`		`4413`
`10`		`18365`
`11`		`77773`
`12`		`334065`
`13`		`1451929`
`14`		`6373379`
`15`		`28214851`
`16`		`125826137`
`17`		`564736106`
`18`		`2549004457`
`19`		`11563003842`
`20`		`52688331678`
`21`		`241049183598`
`22`		`1106818411361`
`23`		`5098961600041`
`24`		`23561122837102`
`25`		`109171473224810`
`26`		`507136264223327`
`27`		`2361332083301582`
`28`		`11018704225690520`
`29`		`51520180227572593`
`30`		`241344269535483201`
`31`		`1132543412040153639`
`32`		`5323310040423904420`

[1,1,2,6,20,72,274,1084,4413,18365,77773,334065, 1451929,6373379,28214851,125826137,564736106, 2549004457,11563003842,52688331678,241049183598, 1106818411361,5098961600041,23561122837102, 109171473224810,507136264223327,2361332083301582, 11018704225690520,51520180227572593, 241344269535483201,1132543412040153639, 5323310040423904420]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)