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A032809
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Numbers whose set of base-9 digits is {2,3}.
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1
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2, 3, 20, 21, 29, 30, 182, 183, 191, 192, 263, 264, 272, 273, 1640, 1641, 1649, 1650, 1721, 1722, 1730, 1731, 2369, 2370, 2378, 2379, 2450, 2451, 2459, 2460, 14762, 14763, 14771, 14772, 14843, 14844, 14852, 14853, 15491, 15492
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Flatten[Table[FromDigits[#, 9]&/@Tuples[{2, 3}, n], {n, 9}]] (* Vincenzo Librandi, May 27 2012 *)
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PROG
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(Magma) [n: n in [1..16000] | Set(IntegerToSequence(n, 9)) subset {2, 3}]; // Vincenzo Librandi, May 27 2012
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CROSSREFS
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KEYWORD
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nonn,base,easy
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AUTHOR
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STATUS
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approved
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