A152207 Numbers k such that (sum of base-2 digits of k) = (sum of base-10 digits of k) = 10.
3007, 3070, 4015, 6013, 6103, 7102, 8110, 10171, 10234, 11071, 11134, 11215, 11251, 11260, 11503, 11710, 12007, 12025, 12142, 12205, 12214, 12250, 13051, 13231, 14014, 15031, 15211, 15310, 16030, 16102, 16120, 16300, 20143, 20206, 20341
Offset: 1
Examples
a(1000) = 3002410_10 = 1011011101000000101010_2, with digit sums = 10 in both cases.
Links
- Zak Seidov, Table of n, a (n) for n = 1 .. 1000
Programs
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PARI
isok(n) = (sumdigits(n) == 10) && (hammingweight(n) == 10); \\ Michel Marcus, Oct 15 2013