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A043340
Numbers having four 1's in base 4.
1
85, 277, 325, 337, 340, 342, 343, 345, 349, 357, 373, 405, 469, 597, 853, 1045, 1093, 1105, 1108, 1110, 1111, 1113, 1117, 1125, 1141, 1173, 1237, 1285, 1297, 1300, 1302, 1303, 1305, 1309, 1317, 1333, 1345, 1348, 1350, 1351
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[1500], DigitCount[#, 4, 1]==4&] (* Harvey P. Dale, Sep 30 2011 *)
CROSSREFS
Cf. A007090.
Sequence in context: A072289 A211257 A027524 * A045129 A045105 A038472
KEYWORD
nonn,base
STATUS
approved