A023798 Xenodromes: all digits in base 3 are different.

0, 1, 2, 3, 5, 6, 7, 11, 15, 19, 21

Offset

1,3

Links

Table of n, a(n) for n=1..11.

Mathematica

FromDigits[#, 3]&/@Flatten[Permutations/@Subsets[{0, 1, 2}], 1]//Union (* Harvey P. Dale, Jul 29 2021 *)

Crossrefs

Sequence in context: A116974 A031402 A019438 * A369635 A362455 A062084

Adjacent sequences: A023795 A023796 A023797 * A023799 A023800 A023801

Keyword

nonn,base,fini,full,easy

Author

Olivier Gérard

Status

approved