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A262046 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`2`
`3`		`6`
`4`		`54`
`5`		`460`
`6`		`3890`
`7`		`42364`
`8`		`512806`
`9`		`6698724`
`10`		`98496252`
`11`		`1585046584`
`12`		`27568171818`
`13`		`520043947020`
`14`		`10550553510016`
`15`		`228796551051436`
`16`		`5291441028244966`
`17`		`129967582592816500`
`18`		`3377869204044947060`
`19`		`92652519380506887784`
`20`		`2674716530794339146244`

[0,0,2,6,54,460,3890,42364,512806,6698724, 98496252,1585046584,27568171818,520043947020, 10550553510016,228796551051436,5291441028244966, 129967582592816500,3377869204044947060, 92652519380506887784,2674716530794339146244]

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Last modified August 22 00:18 EDT 2024. Contains 375353 sequences. (Running on oeis4.)