A028339 - OEIS

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A028339 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`9`
`4`		`86`
`5`		`950`
`6`		`12139`
`7`		`177331`
`8`		`2924172`
`9`		`53809164`
`10`		`1094071221`
`11`		`24372200061`
`12`		`590546123298`
`13`		`15467069396610`
`14`		`435512515705695`
`15`		`13121113142970855`
`16`		`421214220916438680`
`17`		`14354510691610713240`
`18`		`517596339235489288425`
`19`		`19688993487602867898225`
`20`		`787995759739909824183150`

[1,9,86,950,12139,177331,2924172,53809164, 1094071221,24372200061,590546123298, 15467069396610,435512515705695,13121113142970855, 421214220916438680,14354510691610713240, 517596339235489288425,19688993487602867898225, 787995759739909824183150]

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)