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 A032914 Numbers whose set of base 7 digits is {1,3}. 1
 1, 3, 8, 10, 22, 24, 57, 59, 71, 73, 155, 157, 169, 171, 400, 402, 414, 416, 498, 500, 512, 514, 1086, 1088, 1100, 1102, 1184, 1186, 1198, 1200, 2801, 2803, 2815, 2817, 2899, 2901, 2913, 2915, 3487, 3489, 3501, 3503, 3585, 3587 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Flatten[Table[FromDigits[#, 7]&/@Tuples[{1, 3}, n], {n, 5}]] (* Vincenzo Librandi, Jun 01 2012 *) PROG (MAGMA) [n: n in [1..4000] | Set(IntegerToSequence(n, 7)) subset {1, 3}]; // Vincenzo Librandi, Jun 01 2012 CROSSREFS Sequence in context: A079541 A283757 A131725 * A088072 A213033 A046545 Adjacent sequences:  A032911 A032912 A032913 * A032915 A032916 A032917 KEYWORD nonn,base AUTHOR STATUS approved

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