A047090 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A047090 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`3`
`3`		`6`
`4`		`12`
`5`		`21`
`6`		`42`
`7`		`84`
`8`		`155`
`9`		`310`
`10`		`620`
`11`		`1176`
`12`		`2352`
`13`		`4704`
`14`		`9071`
`15`		`18142`
`16`		`36284`
`17`		`70717`
`18`		`141434`
`19`		`282868`
`20`		`555268`
`21`		`1110536`
`22`		`2221072`
`23`		`4381656`
`24`		`8763312`
`25`		`17526624`
`26`		`34697879`
`27`		`69395758`
`28`		`138791516`
`29`		`275467455`
`30`		`550934910`
`31`		`1101869820`
`32`		`2191008499`

[1,2,3,6,12,21,42,84,155,310,620,1176,2352,4704, 9071,18142,36284,70717,141434,282868,555268, 1110536,2221072,4381656,8763312,17526624,34697879, 69395758,138791516,275467455,550934910,1101869820, 2191008499]

License Agreements, Terms of Use, Privacy Policy. .

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