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A039344
Numbers whose base-8 representation has the same nonzero number of 2's and 5's.
0
21, 42, 85, 106, 133, 141, 157, 165, 168, 169, 171, 172, 174, 175, 181, 189, 213, 234, 277, 298, 322, 330, 336, 337, 339, 340, 342, 343, 346, 354, 370, 378, 405, 426, 469, 490, 533, 554, 597, 618, 645, 653, 669, 677, 680, 681, 683, 684, 686, 687, 693, 701
OFFSET
1,1
MATHEMATICA
Select[Range[1000], DigitCount[#, 8, 2]==DigitCount[#, 8, 5]>0&] (* Harvey P. Dale, Oct 25 2015 *)
CROSSREFS
Cf. A007094.
Sequence in context: A355406 A078440 A175805 * A043167 A043947 A335477
KEYWORD
nonn,base,easy
STATUS
approved