A090906 - OEIS

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A090906 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`4`
`5`		`6`
`6`		`12`
`7`		`20`
`8`		`40`
`9`		`80`
`10`		`160`
`11`		`308`
`12`		`628`
`13`		`1256`
`14`		`2488`
`15`		`5000`
`16`		`9940`
`17`		`19928`
`18`		`39864`
`19`		`79660`
`20`		`159380`
`21`		`318724`
`22`		`637496`
`23`		`1274980`
`24`		`2549924`
`25`		`5099884`
`26`		`10199748`
`27`		`20399528`
`28`		`40799020`
`29`		`81598052`
`30`		`163196124`
`31`		`326392240`
`32`		`652784444`
`33`		`1305568896`
`34`		`2611137796`

[1,1,2,4,6,12,20,40,80,160,308,628,1256,2488,5000, 9940,19928,39864,79660,159380,318724,637496, 1274980,2549924,5099884,10199748,20399528, 40799020,81598052,163196124,326392240,652784444, 1305568896,2611137796]

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Last modified August 16 17:43 EDT 2024. Contains 375177 sequences. (Running on oeis4.)