A039377 Numbers whose base-9 representation has the same nonzero number of 2's and 8's.

26, 74, 107, 155, 170, 179, 197, 206, 215, 224, 233, 234, 235, 237, 238, 239, 240, 241, 269, 317, 350, 398, 431, 479, 512, 560, 593, 641, 650, 659, 666, 667, 669, 670, 671, 672, 673, 677, 686, 695, 704, 713, 755, 803, 836, 884, 899, 908, 926, 935, 944, 953

Offset

1,1

Links

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

Mathematica

Select[Range[953], DigitCount[#, 9, 2]==DigitCount[#, 9, 8]>0&] (* Chris R. Rehmann, Apr 10 2026 *)

Prog

(MATLAB) x = 0:953; d = dec2base(x, 9)-'0'; s1 = sum(d==2, 2); s2 = sum(d==8, 2); a = x(s1==s2 & s1>0); disp(regexprep(num2str(a), ' +', ', ')) % Chris R. Rehmann, Apr 10 2026

Crossrefs

Cf. A007095, A039096.

Cf. A039372, A039373, A039374, A039375, A039376.

Cf. A039364, A039371, A039382, A039386, A039389, A039391, A039392.

Sequence in context: A116300 A299798 A383538 * A043200 A043980 A351538

Adjacent sequences: A039374 A039375 A039376 * A039378 A039379 A039380

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved