A005155 - OEIS

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A005155 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`8`
`4`		`54`
`5`		`533`
`6`		`6944`
`7`		`111850`
`8`		`2135740`
`9`		`47003045`
`10`		`1168832808`
`11`		`32363244260`
`12`		`986532609608`
`13`		`32810811179569`
`14`		`1181865951824800`
`15`		`45823912079507918`
`16`		`1902469319507438352`
`17`		`84195282530581058825`
`18`		`3956365033583165905568`

[1,1,2,8,54,533,6944,111850,2135740,47003045, 1168832808,32363244260,986532609608, 32810811179569,1181865951824800,45823912079507918, 1902469319507438352,84195282530581058825, 3956365033583165905568]

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Last modified May 18 09:19 EDT 2013. Contains 225419 sequences.