A001556 - OEIS

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A001556 as a simple table

`n`		`a(n)`
`0`		`9`
`1`		`45`
`2`		`285`
`3`		`2025`
`4`		`15333`
`5`		`120825`
`6`		`978405`
`7`		`8080425`
`8`		`67731333`
`9`		`574304985`
`10`		`4914341925`
`11`		`42364319625`
`12`		`367428536133`
`13`		`3202860761145`
`14`		`28037802953445`
`15`		`246324856379625`
`16`		`2170706132009733`
`17`		`19179318935377305`
`18`		`169842891165484965`
`19`		`1506994510201252425`

[9,45,285,2025,15333,120825,978405,8080425, 67731333,574304985,4914341925,42364319625, 367428536133,3202860761145,28037802953445, 246324856379625,2170706132009733, 19179318935377305,169842891165484965, 1506994510201252425]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)