A019250 - OEIS

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A019250 as a simple table

`n`		`a(n)`
`3`		`0`
`4`		`0`
`5`		`4`
`6`		`4`
`7`		`7`
`8`		`30`
`9`		`50`
`10`		`106`
`11`		`320`
`12`		`734`
`13`		`1606`
`14`		`4238`
`15`		`10735`
`16`		`25992`
`17`		`65243`
`18`		`166303`
`19`		`420964`
`20`		`1075250`
`21`		`2768641`
`22`		`7162869`
`23`		`18614509`
`24`		`48703066`
`25`		`128092492`
`26`		`338243964`
`27`		`897092356`
`28`		`2389751405`
`29`		`6386698936`
`30`		`17120652598`
`31`		`46028927058`

[0,0,4,4,7,30,50,106,320,734,1606,4238,10735, 25992,65243,166303,420964,1075250,2768641,7162869, 18614509,48703066,128092492,338243964,897092356, 2389751405,6386698936,17120652598,46028927058]

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Last modified June 7 20:29 EDT 2024. Contains 373206 sequences. (Running on oeis4.)