A113987 - OEIS

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A113987 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`21`
`3`		`89`
`4`		`401`
`5`		`1969`
`6`		`10633`
`7`		`63297`
`8`		`414857`
`9`		`2984829`
`10`		`23485909`
`11`		`201272257`
`12`		`1870901681`
`13`		`18786935025`
`14`		`203013976769`
`15`		`2352251860561`
`16`		`29124175447169`
`17`		`384114020063301`
`18`		`5380529664829157`
`19`		`79829102054901081`
`20`		`1251315569536252353`

[1,5,21,89,401,1969,10633,63297,414857,2984829, 23485909,201272257,1870901681,18786935025, 203013976769,2352251860561,29124175447169, 384114020063301,5380529664829157, 79829102054901081,1251315569536252353]

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Last modified May 21 07:02 EDT 2024. Contains 372729 sequences. (Running on oeis4.)