A039375 Numbers whose base-9 representation has the same nonzero number of 2's and 6's.

24, 56, 105, 137, 168, 177, 195, 204, 213, 216, 217, 219, 220, 221, 223, 224, 231, 240, 267, 299, 348, 380, 429, 461, 488, 497, 504, 505, 507, 508, 509, 511, 512, 515, 524, 533, 551, 560, 591, 623, 672, 704, 753, 785, 834, 866, 897, 906, 924, 933, 942, 945

Offset

1,1

Links

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

Mathematica

Select[Range[1000], DigitCount[#, 9, 2]==DigitCount[#, 9, 6]>0&] (* Harvey P. Dale, Jun 30 2015 *)

Prog

(MATLAB) x = 0:945; d = dec2base(x, 9)-'0'; s1 = sum(d==2, 2); s2 = sum(d==6, 2); a = x(s1==s2 & s1>0); disp(regexprep(num2str(a), ' +', ', ')) % Chris R. Rehmann, Apr 08 2026

Crossrefs

Cf. A007095, A039094.

Cf. A039372, A039373, A039374, A039376, A039377.

Cf. A039362, A039369, A039380, A039384, A039387.

Sequence in context: A316361 A389164 A277108 * A043198 A043978 A211461

Adjacent sequences: A039372 A039373 A039374 * A039376 A039377 A039378

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved