A121772 - OEIS

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A121772 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`6`
`5`		`30`
`6`		`246`
`7`		`1670`
`8`		`11132`
`9`		`71292`
`10`		`442642`
`11`		`2685392`
`12`		`15995460`
`13`		`93918296`
`14`		`545202570`
`15`		`3136082636`
`16`		`17904903342`
`17`		`101594620516`
`18`		`573479526968`
`19`		`3222969297490`
`20`		`18045116141404`
`21`		`100704940182826`
`22`		`560417613651508`

[0,1,0,6,30,246,1670,11132,71292,442642,2685392, 15995460,93918296,545202570,3136082636, 17904903342,101594620516,573479526968, 3222969297490,18045116141404,100704940182826, 560417613651508]

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)