A186830 - OEIS

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

A186830 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`9`
`3`		`7`
`4`		`17`
`5`		`33`
`6`		`57`
`7`		`107`
`8`		`197`
`9`		`361`
`10`		`665`
`11`		`1223`
`12`		`2249`
`13`		`4137`
`14`		`7609`
`15`		`13995`
`16`		`25741`
`17`		`47345`
`18`		`87081`
`19`		`160167`
`20`		`294593`
`21`		`541841`
`22`		`996601`
`23`		`1833035`
`24`		`3371477`
`25`		`6201113`
`26`		`11405625`
`27`		`20978215`
`28`		`38584953`
`29`		`70968793`
`30`		`130531961`

[1,9,7,17,33,57,107,197,361,665,1223,2249,4137, 7609,13995,25741,47345,87081,160167,294593,541841, 996601,1833035,3371477,6201113,11405625,20978215, 38584953,70968793,130531961]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)