A023810 Xenodromes: all digits in base 16 are different.

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

Author

Olivier Gérard

Keywords

• nonn
• base
• fini
• easy

Comments

Last term is a(53319412081141) = 18364758544493064720 = 'fedcba9876543210'. - Charles R Greathouse IV, Jun 16 2012

Programs

Mathematica

Select[Range[0,80],Max[DigitCount[#,16]]<2&] (* Harvey P. Dale, Aug 11 2021 *)