A125857 - OEIS

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A125857 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`2`
`3`		`20`
`4`		`182`
`5`		`1640`
`6`		`14762`
`7`		`132860`
`8`		`1195742`
`9`		`10761680`
`10`		`96855122`
`11`		`871696100`
`12`		`7845264902`
`13`		`70607384120`
`14`		`635466457082`
`15`		`5719198113740`
`16`		`51472783023662`
`17`		`463255047212960`
`18`		`4169295424916642`
`19`		`37523658824249780`
`20`		`337712929418248022`

[0,2,20,182,1640,14762,132860,1195742,10761680, 96855122,871696100,7845264902,70607384120, 635466457082,5719198113740,51472783023662, 463255047212960,4169295424916642, 37523658824249780,337712929418248022]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)