A271564 - OEIS

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A271564 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`14`
`5`		`142`
`6`		`1690`
`7`		`26630`
`8`		`470630`
`9`		`10169950`
`10`		`280323050`
`11`		`8278462850`
`12`		`293920842950`
`13`		`11604850743850`
`14`		`481192519512250`
`15`		`21869408938627250`
`16`		`1124832660535333750`
`17`		`64590101883781223750`
`18`		`3837395864206055401250`
`19`		`250972362651045466681250`
`20`		`17415757437491856599406250`
`21`		`1243227958252662737649043750`

[0,0,2,14,142,1690,26630,470630,10169950, 280323050,8278462850,293920842950,11604850743850, 481192519512250,21869408938627250, 1124832660535333750,64590101883781223750, 3837395864206055401250,250972362651045466681250, 17415757437491856599406250, 1243227958252662737649043750]

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Last modified August 8 12:42 EDT 2024. Contains 375021 sequences. (Running on oeis4.)