A043502 Numbers having two 3's in base 10.

33, 133, 233, 303, 313, 323, 330, 331, 332, 334, 335, 336, 337, 338, 339, 343, 353, 363, 373, 383, 393, 433, 533, 633, 733, 833, 933, 1033, 1133, 1233, 1303, 1313, 1323, 1330, 1331, 1332, 1334, 1335, 1336, 1337, 1338, 1339, 1343

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base

Links

• Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Crossrefs

Subsequence of A011533.

Programs

Mathematica

Select[Range[5000], DigitCount[#, 10, 3]==2&] (* Vincenzo Librandi, Jul 01 2015 *)