1, 7, 8, 49, 50…
The above sequence consists of positive integers each being a sum of distinct non-negative integer powers of 7 presented in strictly increasing order.

If a(0)=1 and a(1)=7, what is a(111)?

Eleven as mandatory divider |
Posted on 2021-05-24 by Ady TZIDON (No Solution Yet, 4 Comments)

Just an Average sequence |
Posted on 2020-09-29 by Larry (No Solution Yet, 0 Comments)

Must be prime |
Posted on 2020-09-22 by Ady TZIDON (No Solution Yet, 1 Comments)

Accelerating Sequence |
Posted on 2020-07-24 by Larry (No Solution Yet, 4 Comments)

Deja vu | Rating: 5.00
Posted on 2020-05-25 by Ady TZIDON (No Solution Yet, 2 Comments)

PYHIYP #5 Seven up! | Rating: 2.00
Posted on 2020-02-26 by Ady TZIDON (No Solution Yet, 2 Comments)

Tricky sequence | Rating: 5.00
Posted on 2019-11-04 by Math Man (No Solution Yet, 2 Comments)