A220820 - OEIS

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A220820 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`3`
`4`		`27`
`5`		`180`
`6`		`1089`
`7`		`6333`
`8`		`36309`
`9`		`207255`
`10`		`1184829`
`11`		`6799473`
`12`		`39224568`
`13`		`227554278`
`14`		`1327688328`
`15`		`7789644996`
`16`		`45944320449`
`17`		`272329169232`
`18`		`1621636729257`
`19`		`9697502473014`
`20`		`58219671592098`
`21`		`350791368690516`
`22`		`2120672113779573`
`23`		`12859687160772771`
`24`		`78201772222916649`

[0,0,3,27,180,1089,6333,36309,207255,1184829, 6799473,39224568,227554278,1327688328,7789644996, 45944320449,272329169232,1621636729257, 9697502473014,58219671592098,350791368690516, 2120672113779573,12859687160772771, 78201772222916649]

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Last modified April 23 11:35 EDT 2024. Contains 371912 sequences. (Running on oeis4.)