A000055 - OEIS

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A000055 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`3`
`6`		`6`
`7`		`11`
`8`		`23`
`9`		`47`
`10`		`106`
`11`		`235`
`12`		`551`
`13`		`1301`
`14`		`3159`
`15`		`7741`
`16`		`19320`
`17`		`48629`
`18`		`123867`
`19`		`317955`
`20`		`823065`
`21`		`2144505`
`22`		`5623756`
`23`		`14828074`
`24`		`39299897`
`25`		`104636890`
`26`		`279793450`
`27`		`751065460`
`28`		`2023443032`
`29`		`5469566585`
`30`		`14830871802`
`31`		`40330829030`
`32`		`109972410221`
`33`		`300628862480`
`34`		`823779631721`
`35`		`2262366343746`
`36`		`6226306037178`

[1,1,1,1,2,3,6,11,23,47,106,235,551,1301,3159, 7741,19320,48629,123867,317955,823065,2144505, 5623756,14828074,39299897,104636890,279793450, 751065460,2023443032,5469566585,14830871802, 40330829030,109972410221,300628862480, 823779631721,2262366343746,6226306037178]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)