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A045130 Numbers whose base-4 representation contains exactly four 1's and one 3. 0
343, 349, 373, 469, 853, 1111, 1117, 1141, 1237, 1303, 1309, 1333, 1351, 1357, 1363, 1371, 1372, 1374, 1383, 1389, 1393, 1396, 1398, 1401, 1431, 1437, 1461, 1477, 1489, 1492, 1494, 1497, 1509, 1623, 1629, 1653, 1749 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[1800], DigitCount[#, 4, 1]==4&&DigitCount[#, 4, 3]==1&] (* Harvey P. Dale, Dec 17 2021 *)
CROSSREFS
Cf. A007090.
Sequence in context: A028681 A005072 A112821 * A045269 A043395 A336354
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified April 14 00:20 EDT 2024. Contains 371652 sequences. (Running on oeis4.)