A037305 Numbers whose base-2 and base-7 expansions have the same digit sum.

1, 21, 58, 59, 106, 107, 126, 127, 154, 155, 203, 246, 247, 252, 253, 366, 367, 378, 379, 394, 395, 414, 415, 444, 445, 462, 463, 492, 493, 498, 499, 504, 505, 539, 637, 688, 689, 707, 736, 737, 756, 757, 798, 799, 847, 882, 883

Offset

1,2

Links

Table of n, a(n) for n=1..47.

Mathematica

Select[Range[1000], Total[IntegerDigits[#, 2]]==Total[IntegerDigits[#, 7]]&] (* Harvey P. Dale, Nov 28 2018 *)

Crossrefs

Sequence in context: A380457 A020148 A370519 * A379182 A370109 A223467

Adjacent sequences: A037302 A037303 A037304 * A037306 A037307 A037308

Keyword

nonn,base

Author

Clark Kimberling

Status

approved