A028025 - OEIS

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A028025 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`18`
`2`		`205`
`3`		`1890`
`4`		`15421`
`5`		`116298`
`6`		`830845`
`7`		`5709330`
`8`		`38119741`
`9`		`249026778`
`10`		`1599719485`
`11`		`10142356770`
`12`		`63639854461`
`13`		`396031348458`
`14`		`2448208592125`
`15`		`15053605980210`
`16`		`92160458747581`
`17`		`562225198873338`
`18`		`3419937140824765`

[1,18,205,1890,15421,116298,830845,5709330, 38119741,249026778,1599719485,10142356770, 63639854461,396031348458,2448208592125, 15053605980210,92160458747581,562225198873338, 3419937140824765]

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Last modified April 17 22:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)