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

1,1

Links

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

Mathematica

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

Crossrefs

Subsequence of A011533.

Sequence in context: A158575 A209981 A036546 * A044365 A044746 A105091

Adjacent sequences: A043499 A043500 A043501 * A043503 A043504 A043505

Keyword

nonn,base

Author

Clark Kimberling

Status

approved