A045285 - OEIS

A045285

Numbers whose base-5 representation contains exactly two 2's and no 4's.

12, 37, 52, 57, 60, 61, 63, 67, 87, 137, 162, 177, 182, 185, 186, 188, 192, 212, 252, 257, 260, 261, 263, 267, 277, 282, 285, 286, 288, 292, 300, 301, 303, 305, 306, 308, 315, 316, 318, 327, 332, 335, 336, 338, 342, 387, 412, 427

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

MATHEMATICA

Select[Range[500], DigitCount[#, 5, 2]==2&&DigitCount[#, 5, 4]==0&] (* Harvey P. Dale, Apr 21 2011 *)

CROSSREFS

Cf. A007091.

Sequence in context: A144973 A043358 A023731 * A045270 A012276 A045174

Adjacent sequences: A045282 A045283 A045284 * A045286 A045287 A045288

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved