A278778 - OEIS

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A278778 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`2`
`6`		`0`
`7`		`1`
`8`		`20`
`9`		`20`
`10`		`1`
`11`		`6`
`12`		`117`
`13`		`266`
`14`		`117`
`15`		`6`
`16`		`21`
`17`		`503`
`18`		`1972`
`19`		`1972`
`20`		`503`
`21`		`21`
`22`		`56`
`23`		`1750`
`24`		`10784`
`25`		`19750`
`26`		`10784`
`27`		`1750`
`28`		`56`
`29`		`126`
`30`		`5209`
`31`		`48501`
`32`		`150085`
`33`		`150085`
`34`		`48501`
`35`		`5209`
`36`		`126`
`37`		`252`
`38`		`13751`
`39`		`189595`
`40`		`955347`
`41`		`1673658`
`42`		`955347`
`43`		`189595`
`44`		`13751`
`45`		`252`
`46`		`462`
`47`		`33000`

[0,0,0,0,2,0,1,20,20,1,6,117,266,117,6,21,503, 1972,1972,503,21,56,1750,10784,19750,10784,1750, 56,126,5209,48501,150085,150085,48501,5209,126, 252,13751,189595,955347,1673658,955347,189595, 13751,252,462,33000]

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Last modified April 16 12:52 EDT 2024. Contains 371711 sequences. (Running on oeis4.)