A228734 - OEIS

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

A228734 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`9`
`3`		`27`
`4`		`77`
`5`		`185`
`6`		`447`
`7`		`1071`
`8`		`2593`
`9`		`6333`
`10`		`15513`
`11`		`38039`
`12`		`93213`
`13`		`228279`
`14`		`558849`
`15`		`1367945`
`16`		`3348489`
`17`		`8196847`
`18`		`20065943`
`19`		`49122291`
`20`		`120253773`
`21`		`294386457`
`22`		`720668887`
`23`		`1764221329`
`24`		`4318870217`
`25`		`10572732933`
`26`		`25882394413`
`27`		`63360952825`
`28`		`155109705901`

[3,9,27,77,185,447,1071,2593,6333,15513,38039, 93213,228279,558849,1367945,3348489,8196847, 20065943,49122291,120253773,294386457,720668887, 1764221329,4318870217,10572732933,25882394413, 63360952825,155109705901]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 7 05:04 EDT 2024. Contains 372300 sequences. (Running on oeis4.)