A020090 - OEIS

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A020090 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`6`
`5`		`29`
`6`		`162`
`7`		`1055`
`8`		`7918`
`9`		`67303`
`10`		`639383`
`11`		`6713530`
`12`		`77205601`
`13`		`965070017`
`14`		`13028445231`
`15`		`188912455860`
`16`		`2928143065834`
`17`		`48314360586264`
`18`		`845501310259627`
`19`		`15641774239803107`
`20`		`305014597676160593`
`21`		`6252799252361292173`

[1,0,0,1,6,29,162,1055,7918,67303,639383,6713530, 77205601,965070017,13028445231,188912455860, 2928143065834,48314360586264,845501310259627, 15641774239803107,305014597676160593, 6252799252361292173]

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)