A018105 - OEIS

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A018105 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`9`
`4`		`21`
`5`		`44`
`6`		`96`
`7`		`206`
`8`		`441`
`9`		`944`
`10`		`2020`
`11`		`4326`
`12`		`9261`
`13`		`19824`
`14`		`42439`
`15`		`90849`
`16`		`194481`
`17`		`416324`
`18`		`891223`
`19`		`1907838`
`20`		`4084101`
`21`		`8742815`
`22`		`18715701`
`23`		`40064612`
`24`		`85766121`
`25`		`183599118`
`26`		`393029741`
`27`		`841356858`
`28`		`1801088541`
`29`		`3855581491`
`30`		`8253624572`
`31`		`17668494033`
`32`		`37822859361`

[1,2,4,9,21,44,96,206,441,944,2020,4326,9261, 19824,42439,90849,194481,416324,891223,1907838, 4084101,8742815,18715701,40064612,85766121, 183599118,393029741,841356858,1801088541, 3855581491,8253624572,17668494033,37822859361]

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Last modified August 4 01:12 EDT 2024. Contains 374905 sequences. (Running on oeis4.)