A075045 - OEIS

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

A075045 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`9`
`2`		`69`
`3`		`502`
`4`		`3564`
`5`		`24960`
`6`		`173325`
`7`		`1196748`
`8`		`8229849`
`9`		`56427177`
`10`		`386011116`
`11`		`2635972920`
`12`		`17974898872`
`13`		`122430895956`
`14`		`833108684637`
`15`		`5664553564440`
`16`		`38488954887171`
`17`		`261369752763963`
`18`		`1774016418598269`
`19`		`12035694958994142`
`20`		`81624256468292016`
`21`		`553377268856455968`

[1,9,69,502,3564,24960,173325,1196748,8229849, 56427177,386011116,2635972920,17974898872, 122430895956,833108684637,5664553564440, 38488954887171,261369752763963,1774016418598269, 12035694958994142,81624256468292016, 553377268856455968]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)