A046723 - OEIS

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A046723 as a simple table

`n`		`a(n)`
`4`		`1`
`5`		`4`
`6`		`17`
`7`		`66`
`8`		`254`
`9`		`956`
`10`		`3584`
`11`		`13256`
`12`		`49052`
`13`		`179552`
`14`		`658560`
`15`		`2394504`
`16`		`8724464`
`17`		`31575096`
`18`		`114451388`
`19`		`412811544`
`20`		`1490190544`
`21`		`5360943684`
`22`		`19288139802`
`23`		`69245171564`
`24`		`248463024330`
`25`		`890477645192`
`26`		`3188033497580`
`27`		`11409453277272`
`28`		`40771092374710`
`29`		`145735210316376`
`30`		`519955750491512`

[1,4,17,66,254,956,3584,13256,49052,179552,658560, 2394504,8724464,31575096,114451388,412811544, 1490190544,5360943684,19288139802,69245171564, 248463024330,890477645192,3188033497580, 11409453277272,40771092374710,145735210316376, 519955750491512]

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Last modified July 16 05:19 EDT 2024. Contains 374343 sequences. (Running on oeis4.)