A020010 - OEIS

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A020010 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`25`
`6`		`136`
`7`		`879`
`8`		`6554`
`9`		`55412`
`10`		`523897`
`11`		`5477110`
`12`		`62737807`
`13`		`781370863`
`14`		`10512989797`
`15`		`151960488890`
`16`		`2348480282846`
`17`		`38643175563195`
`18`		`674499064375772`
`19`		`12447573642571061`
`20`		`242161887228200640`
`21`		`4953311329667740359`

[1,0,1,2,6,25,136,879,6554,55412,523897,5477110, 62737807,781370863,10512989797,151960488890, 2348480282846,38643175563195,674499064375772, 12447573642571061,242161887228200640, 4953311329667740359]

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Last modified May 24 09:26 EDT 2013. Contains 225617 sequences.