A140393 - OEIS

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A140393 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`0`
`3`		`0`
`4`		`2`
`5`		`10`
`6`		`4`
`7`		`40`
`8`		`92`
`9`		`352`
`10`		`724`
`11`		`2680`
`12`		`14200`
`13`		`73712`
`14`		`365596`
`15`		`2279184`
`16`		`14772512`
`17`		`95815104`
`18`		`666090624`
`19`		`4968057848`
`20`		`39029188884`
`21`		`314666222712`
`22`		`2691008701644`
`23`		`24233937684440`
`24`		`226732487925864`

[1,0,0,2,10,4,40,92,352,724,2680,14200,73712, 365596,2279184,14772512,95815104,666090624, 4968057848,39029188884,314666222712,2691008701644, 24233937684440,226732487925864]

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)