A019188 - OEIS

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A019188 as a simple table

`n`		`a(n)`
`3`		`0`
`4`		`0`
`5`		`4`
`6`		`6`
`7`		`4`
`8`		`14`
`9`		`56`
`10`		`94`
`11`		`204`
`12`		`638`
`13`		`1508`
`14`		`3414`
`15`		`9176`
`16`		`23232`
`17`		`57600`
`18`		`148550`
`19`		`388584`
`20`		`1001432`
`21`		`2614820`
`22`		`6905866`
`23`		`18222128`
`24`		`48202028`
`25`		`128305452`
`26`		`342215994`
`27`		`913945432`
`28`		`2447695760`
`29`		`6569189860`
`30`		`17654039564`
`31`		`47523604660`

[0,0,4,6,4,14,56,94,204,638,1508,3414,9176,23232, 57600,148550,388584,1001432,2614820,6905866, 18222128,48202028,128305452,342215994,913945432, 2447695760,6569189860,17654039564,47523604660]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)