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A045285 Numbers whose base-5 representation contains exactly two 2's and no 4's. 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
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
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified June 17 03:24 EDT 2024. Contains 373432 sequences. (Running on oeis4.)