A019171 - OEIS

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A019171 as a simple table

`n`		`a(n)`
`3`		`0`
`4`		`0`
`5`		`4`
`6`		`4`
`7`		`8`
`8`		`20`
`9`		`48`
`10`		`106`
`11`		`264`
`12`		`580`
`13`		`1462`
`14`		`3724`
`15`		`8604`
`16`		`21558`
`17`		`55364`
`18`		`137162`
`19`		`348320`
`20`		`900372`
`21`		`2325534`
`22`		`6063822`
`23`		`15903112`
`24`		`41844862`
`25`		`110699956`
`26`		`293478616`
`27`		`779292432`
`28`		`2075209638`
`29`		`5534781586`
`30`		`14778464050`
`31`		`39525926012`

[0,0,4,4,8,20,48,106,264,580,1462,3724,8604,21558, 55364,137162,348320,900372,2325534,6063822, 15903112,41844862,110699956,293478616,779292432, 2075209638,5534781586,14778464050,39525926012]

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Last modified May 9 19:33 EDT 2024. Contains 372354 sequences. (Running on oeis4.)