A292453 Numbers where 3 outnumbers any other digit.
3, 33, 133, 233, 303, 313, 323, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 343, 353, 363, 373, 383, 393, 433, 533, 633, 733, 833, 933, 1033, 1233, 1303, 1323, 1330, 1332, 1333, 1334, 1335, 1336, 1337, 1338, 1339, 1343, 1353, 1363, 1373, 1383, 1393
Offset: 1
Examples
303 has more 3's than any other digit, whereas 3003 has as many 0's as 3's.
Programs
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Mathematica
Select[Range[0, 2000], Max@ #1 < First@ #2 & @@ TakeDrop[RotateLeft[#, 3] &@ DigitCount@ #, 9] &] (* Michael De Vlieger, Sep 16 2017 *) n3oQ[n_]:=Module[{dc=DigitCount[n]},Max[dc]==dc[[3]]&&Count[dc,dc[[3]]] == 1]; Select[Range[3000],n3oQ] (* Harvey P. Dale, Oct 07 2018 *)
Extensions
Corrected by Harvey P. Dale, Oct 07 2018