A172252 - OEIS

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A172252 as a simple table

`n`		`a(n)`
`1`		`-1`
`2`		`7`
`3`		`23`
`4`		`55`
`5`		`119`
`6`		`247`
`7`		`503`
`8`		`1015`
`9`		`2039`
`10`		`4087`
`11`		`8183`
`12`		`16375`
`13`		`32759`
`14`		`65527`
`15`		`131063`
`16`		`262135`
`17`		`524279`
`18`		`1048567`
`19`		`2097143`
`20`		`4194295`
`21`		`8388599`
`22`		`16777207`
`23`		`33554423`
`24`		`67108855`
`25`		`134217719`
`26`		`268435447`
`27`		`536870903`
`28`		`1073741815`
`29`		`2147483639`

[-1,7,23,55,119,247,503,1015,2039,4087,8183,16375, 32759,65527,131063,262135,524279,1048567,2097143, 4194295,8388599,16777207,33554423,67108855, 134217719,268435447,536870903,1073741815, 2147483639]

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