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A023810
Xenodromes: all digits in base 16 are different.
4
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 69, 70, 71, 72
OFFSET
1,3
COMMENTS
Last term is a(53319412081141) = 18364758544493064720 = 'fedcba9876543210'. - Charles R Greathouse IV, Jun 16 2012
MATHEMATICA
Select[Range[0, 80], Max[DigitCount[#, 16]]<2&] (* Harvey P. Dale, Aug 11 2021 *)
CROSSREFS
Sequence in context: A377306 A133137 A160543 * A102800 A072676 A235986
KEYWORD
nonn,base,fini,easy
STATUS
approved