A258457 - OEIS

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A258457 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`4`
`4`		`12`
`5`		`30`
`6`		`72`
`7`		`160`
`8`		`351`
`9`		`743`
`10`		`1561`
`11`		`3219`
`12`		`6616`
`13`		`13456`
`14`		`27312`
`15`		`55139`
`16`		`111166`
`17`		`223472`
`18`		`448902`
`19`		`900305`
`20`		`1804838`
`21`		`3615137`
`22`		`7239325`
`23`		`14490368`
`24`		`29000050`
`25`		`58025059`
`26`		`116090823`
`27`		`232234573`
`28`		`464554483`
`29`		`929220024`
`30`		`1858618215`
`31`		`3717468189`
`32`		`7435305664`
`33`		`14871092926`

[1,4,12,30,72,160,351,743,1561,3219,6616,13456, 27312,55139,111166,223472,448902,900305,1804838, 3615137,7239325,14490368,29000050,58025059, 116090823,232234573,464554483,929220024, 1858618215,3717468189,7435305664,14871092926]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)