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A039557
Numbers whose base-12 representation has the same nonzero number of 9's and 11's.
0
119, 141, 263, 285, 407, 429, 551, 573, 695, 717, 839, 861, 983, 1005, 1127, 1149, 1271, 1293, 1307, 1319, 1331, 1343, 1355, 1367, 1379, 1391, 1403, 1427, 1428, 1429, 1430, 1431, 1432, 1433, 1434, 1435, 1436, 1438, 1559, 1581, 1593, 1605
OFFSET
1,1
MATHEMATICA
Select[Range[2000], DigitCount[#, 12, 9]==DigitCount[#, 12, 11]>0&] (* Harvey P. Dale, Jan 30 2015 *)
CROSSREFS
Sequence in context: A124074 A231372 A103154 * A095629 A046007 A333789
KEYWORD
nonn,base,easy
STATUS
approved