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 A032913 Numbers whose set of base-6 digits is {1,3}. 1
 1, 3, 7, 9, 19, 21, 43, 45, 55, 57, 115, 117, 127, 129, 259, 261, 271, 273, 331, 333, 343, 345, 691, 693, 703, 705, 763, 765, 775, 777, 1555, 1557, 1567, 1569, 1627, 1629, 1639, 1641, 1987, 1989, 1999, 2001, 2059, 2061, 2071, 2073 (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[#, 6]&/@Tuples[{1, 3}, n], {n, 5}]] (* Harvey P. Dale, Nov 16 2011 *) PROG (MAGMA) [n: n in [1..2500] | Set(IntegerToSequence(n, 6)) subset {1, 3}]; // Vincenzo Librandi, Jun 01 2012 CROSSREFS Sequence in context: A324699 A110674 A003528 * A353397 A261072 A154508 Adjacent sequences:  A032910 A032911 A032912 * A032914 A032915 A032916 KEYWORD nonn,base AUTHOR STATUS approved

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Last modified May 23 22:33 EDT 2022. Contains 353993 sequences. (Running on oeis4.)