A385292 Numbers whose digits all belong to the same residue class mod 3.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 14, 17, 22, 25, 28, 30, 33, 36, 39, 41, 44, 47, 52, 55, 58, 60, 63, 66, 69, 71, 74, 77, 82, 85, 88, 90, 93, 96, 99, 111, 114, 117, 141, 144, 147, 171, 174, 177, 222, 225, 228, 252, 255, 258, 282, 285, 288, 300, 303, 306, 309, 330, 333, 336, 339, 360, 363, 366

Offset: 1

Author

Stefano Spezia, Jun 24 2025

Keywords

• nonn
• base
• easy
• look

Links

• Stefano Spezia, Table of n, a(n) for n = 1..10000

Crossrefs

Similar sequences for other values of the modulo k: A059708 (k=2), this sequence (k=3), A385293 (k=4), A385294 (k=5), A385295 (k=6), A385296 (k=7), A385297 (k=8), A385298 (k=9).

Programs

Mathematica

Select[Range[0,366],Length[DeleteDuplicates[Mod[IntegerDigits[#],3]]] == 1 &]