Sum of digits of 2^n equals n
Tanya Khovanova
tanyakh at TanyaKhovanova.com
Mon Jul 24 04:39:54 CEST 2006
I found two numbers n such that sum of digits of 2^n is equal to n:
5 and 70.
I can't find the corresponding sequence.
Are there any other numbers like that?
Tanya
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