A228972 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A228972 as a simple table

`n`		`a(n)`
`1`		`9`
`2`		`81`
`3`		`729`
`4`		`6387`
`5`		`55887`
`6`		`488037`
`7`		`4259277`
`8`		`37155951`
`9`		`324050745`
`10`		`2825717151`
`11`		`24637772289`
`12`		`214806377331`
`13`		`1872733313427`
`14`		`16326535353843`
`15`		`142332941107035`
`16`		`1240830892976931`
`17`		`10817256322467417`
`18`		`94301798866919901`
`19`		`822094581839055501`

[9,81,729,6387,55887,488037,4259277,37155951, 324050745,2825717151,24637772289,214806377331, 1872733313427,16326535353843,142332941107035, 1240830892976931,10817256322467417, 94301798866919901,822094581839055501]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 16 11:48 EDT 2024. Contains 371711 sequences. (Running on oeis4.)