A131520 - OEIS

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A131520 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`6`
`3`		`12`
`4`		`22`
`5`		`40`
`6`		`74`
`7`		`140`
`8`		`270`
`9`		`528`
`10`		`1042`
`11`		`2068`
`12`		`4118`
`13`		`8216`
`14`		`16410`
`15`		`32796`
`16`		`65566`
`17`		`131104`
`18`		`262178`
`19`		`524324`
`20`		`1048614`
`21`		`2097192`
`22`		`4194346`
`23`		`8388652`
`24`		`16777262`
`25`		`33554480`
`26`		`67108914`
`27`		`134217780`
`28`		`268435510`
`29`		`536870968`
`30`		`1073741882`
`31`		`2147483708`

[2,6,12,22,40,74,140,270,528,1042,2068,4118,8216, 16410,32796,65566,131104,262178,524324,1048614, 2097192,4194346,8388652,16777262,33554480, 67108914,134217780,268435510,536870968,1073741882, 2147483708]

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Last modified June 2 21:38 EDT 2024. Contains 373051 sequences. (Running on oeis4.)