A007808 - OEIS

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A007808 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`13`
`4`		`69`
`5`		`431`
`6`		`3103`
`7`		`25341`
`8`		`231689`
`9`		`2345851`
`10`		`26065011`
`11`		`315386633`
`12`		`4128697741`
`13`		`58145826519`
`14`		`876660153671`
`15`		`14089181041141`
`16`		`240455356435473`
`17`		`4343224875615731`
`18`		`82776756452911579`
`19`		`1660133837750060001`
`20`		`34950186057896000021`
`21`		`770651602576606800463`

[1,1,3,13,69,431,3103,25341,231689,2345851, 26065011,315386633,4128697741,58145826519, 876660153671,14089181041141,240455356435473, 4343224875615731,82776756452911579, 1660133837750060001,34950186057896000021, 770651602576606800463]

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Last modified April 12 21:47 EDT 2021. Contains 342933 sequences. (Running on oeis4.)