A018913 - OEIS

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A018913 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`9`
`3`		`80`
`4`		`711`
`5`		`6319`
`6`		`56160`
`7`		`499121`
`8`		`4435929`
`9`		`39424240`
`10`		`350382231`
`11`		`3114015839`
`12`		`27675760320`
`13`		`245967827041`
`14`		`2186034683049`
`15`		`19428344320400`
`16`		`172669064200551`
`17`		`1534593233484559`
`18`		`13638670037160480`
`19`		`121213437100959761`

[0,1,9,80,711,6319,56160,499121,4435929,39424240, 350382231,3114015839,27675760320,245967827041, 2186034683049,19428344320400,172669064200551, 1534593233484559,13638670037160480, 121213437100959761]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)