A163868 - OEIS

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A163868 as a simple table

`n`		`a(n)`
`0`		`4`
`1`		`5`
`2`		`9`
`3`		`25`
`4`		`89`
`5`		`345`
`6`		`1369`
`7`		`5465`
`8`		`21849`
`9`		`87385`
`10`		`349529`
`11`		`1398105`
`12`		`5592409`
`13`		`22369625`
`14`		`89478489`
`15`		`357913945`
`16`		`1431655769`
`17`		`5726623065`
`18`		`22906492249`
`19`		`91625968985`
`20`		`366503875929`
`21`		`1466015503705`
`22`		`5864062014809`
`23`		`23456248059225`
`24`		`93824992236889`
`25`		`375299968947545`

[4,5,9,25,89,345,1369,5465,21849,87385,349529, 1398105,5592409,22369625,89478489,357913945, 1431655769,5726623065,22906492249,91625968985, 366503875929,1466015503705,5864062014809, 23456248059225,93824992236889,375299968947545]

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Last modified May 4 05:13 EDT 2024. Contains 372227 sequences. (Running on oeis4.)