A039094 Numbers whose base-9 representation has the same number of 2's and 6's.

0, 1, 3, 4, 5, 7, 8, 9, 10, 12, 13, 14, 16, 17, 24, 27, 28, 30, 31, 32, 34, 35, 36, 37, 39, 40, 41, 43, 44, 45, 46, 48, 49, 50, 52, 53, 56, 63, 64, 66, 67, 68, 70, 71, 72, 73, 75, 76, 77, 79, 80, 81, 82, 84, 85, 86, 88, 89, 90, 91, 93, 94, 95, 97, 98, 105, 108, 109, 111

Offset

1,3

Links

Chris R. Rehmann, Table of n, a(n) for n = 1..10000

Mathematica

Select[Range[0, 120], DigitCount[#, 9, 2]==DigitCount[#, 9, 6]&] (* Harvey P. Dale, May 03 2018 *)

Prog

(MATLAB) x = 0:25426; d = dec2base(x, 9)-'0'; a = x(sum(d==2, 2)==sum(d==6, 2)); disp(regexprep(num2str(a), ' +', ', ')) % Chris R. Rehmann, Mar 16 2026

Crossrefs

Cf. A007095, A039375.

Cf. A039091, A039092, A039093, A039095, A039096.

Cf. A039082, A039088, A039099, A039103, A039106.

Sequence in context: A081690 A081688 A118170 * A241687 A169757 A051374

Adjacent sequences: A039091 A039092 A039093 * A039095 A039096 A039097

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved