base such..
Cl Lenormand
claude.lenormand at free.fr
Tue Mar 8 09:32:36 CET 2005
There was a typo mistake:
number of bases b (2 <= b <= k^n)
such that every digit of k^n in base b is 0 or 1,
where k is not a power:
f(2^n)=1 3 3 4 3 5 3 6 4 5 3 7 3 5 5 6 3 7 3 7 5
5 3 9...
f(3^n)=2 4 4 6 4 6 4 6 5 6 4 8 4 6 6 7...
f(5^n)=3 4 4 5 4 6 4 6 5 6 4 8...
f(6^n)=3 5 4 6 4 6 4 7 5 6 4...
f(7^n)=3 4 5 5 4 6 4 6 5 6...
f(10^n)=4 4 5 5 4 6 4 6 5...
f(11^n)=3 5 4 5 4 7 4 6...
f(12^n)=4 4 4 7 4 6 4 6...
f(13^n)=4 4 5 5 4 6 4...
f(14^n)=3 4 5 5 4 6 4...
f(15^n)=3 4 4 5 4 6 4...
f(17^n)=4 4 4 5 4 6 4...
f(18^n)=3 6 4 5 4 6 4...
f(19^n)=3 5 4 5 4 6...
f(20^n)=4 5 4 5 4 6...
f(21^n)=4 4 4 5 4 6...
f(22^n)=3 4 4 5 4 6...
f(23^n)=3 4 4 5 4 6...
f(24^n)=3 5 4 6 4 6...
f(26^n)=4 4 4 5 4 6...
f(28^n)=4 4 5 5 4 6...
Sorry.
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