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A032837
Numbers whose set of base-13 digits is {3,4}.
1
3, 4, 42, 43, 55, 56, 549, 550, 562, 563, 718, 719, 731, 732, 7140, 7141, 7153, 7154, 7309, 7310, 7322, 7323, 9337, 9338, 9350, 9351, 9506, 9507, 9519, 9520, 92823, 92824, 92836, 92837, 92992, 92993, 93005, 93006, 95020, 95021
OFFSET
1,1
MATHEMATICA
Flatten[Table[FromDigits[#, 13]&/@Tuples[{3, 4}, n], {n, 5}]] (* Vincenzo Librandi, May 31 2012 *)
PROG
(Magma) [n: n in [1..100000] | Set(IntegerToSequence(n, 13)) subset {3, 4}]; // Vincenzo Librandi, May 31 2012
CROSSREFS
Sequence in context: A300882 A348225 A172144 * A127614 A041055 A246626
KEYWORD
nonn,base,easy
STATUS
approved