A019239 - OEIS

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A019239 as a simple table

`n`		`a(n)`
`3`		`0`
`4`		`0`
`5`		`4`
`6`		`2`
`7`		`12`
`8`		`12`
`9`		`64`
`10`		`72`
`11`		`220`
`12`		`456`
`13`		`1244`
`14`		`2830`
`15`		`7188`
`16`		`17856`
`17`		`45804`
`18`		`113488`
`19`		`295004`
`20`		`747248`
`21`		`1915456`
`22`		`4932504`
`23`		`12680644`
`24`		`32787732`
`25`		`84992148`
`26`		`220635798`
`27`		`575619804`
`28`		`1502902660`
`29`		`3936971432`
`30`		`10334337920`
`31`		`27175444212`

[0,0,4,2,12,12,64,72,220,456,1244,2830,7188,17856, 45804,113488,295004,747248,1915456,4932504, 12680644,32787732,84992148,220635798,575619804, 1502902660,3936971432,10334337920,27175444212]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)