Sum of decimal digits of 16^n - 1 = 6*n

Max A. maxale at gmail.com
Sun Oct 29 10:14:30 CET 2006


The sum of decimal digits of 16^n - 1 equals 6*n for the following n
(complete for n up to 10^4):

1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 17, 18, 23, 37, 43, 46, 60, 119, 183, 223

Likely, this sequence is finite and there are no other terms.

Does it make sense to add this sequence to OEIS?

Max

P.S. Following this discussion in Russian:
http://community.livejournal.com/ru_math/424139.html






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