A027072 - OEIS

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A027072 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`3`
`3`		`12`
`4`		`53`
`5`		`222`
`6`		`899`
`7`		`3540`
`8`		`13657`
`9`		`51882`
`10`		`194727`
`11`		`723760`
`12`		`2668453`
`13`		`9771870`
`14`		`35577935`
`15`		`128887616`
`16`		`464885073`
`17`		`1670362418`
`18`		`5981289455`
`19`		`21352860808`
`20`		`76020123293`
`21`		`269977176422`
`22`		`956644165503`
`23`		`3382864303648`
`24`		`11940005836537`

[1,2,3,12,53,222,899,3540,13657,51882,194727, 723760,2668453,9771870,35577935,128887616, 464885073,1670362418,5981289455,21352860808, 76020123293,269977176422,956644165503, 3382864303648,11940005836537]

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Last modified June 10 00:22 EDT 2024. Contains 373251 sequences. (Running on oeis4.)