Powers of 7 with strictly increasing sum of digits.

A069032

Powers of 7 with strictly increasing sum of digits.

Terms

    a(0) =1a(1) =7a(2) =49a(3) =16807a(4) =117649a(5) =5764801a(6) =282475249a(7) =1977326743a(8) =96889010407a(9) =678223072849

External references