A019263 - OEIS

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A019263 as a simple table

`n`		`a(n)`
`3`		`2`
`4`		`0`
`5`		`0`
`6`		`2`
`7`		`8`
`8`		`16`
`9`		`28`
`10`		`48`
`11`		`108`
`12`		`280`
`13`		`768`
`14`		`2086`
`15`		`5212`
`16`		`12532`
`17`		`30096`
`18`		`72366`
`19`		`176580`
`20`		`440612`
`21`		`1110820`
`22`		`2807834`
`23`		`7130100`
`24`		`18179108`
`25`		`46394348`
`26`		`118468710`
`27`		`302982828`
`28`		`776358572`
`29`		`1993785892`
`30`		`5133560494`
`31`		`13249748168`
`32`		`34266401908`

[2,0,0,2,8,16,28,48,108,280,768,2086,5212,12532, 30096,72366,176580,440612,1110820,2807834,7130100, 18179108,46394348,118468710,302982828,776358572, 1993785892,5133560494,13249748168,34266401908]

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