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A023776 Metadromes: digits in base 7 are in strict ascending order. 0
0, 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 17, 18, 19, 20, 25, 26, 27, 33, 34, 41, 66, 67, 68, 69, 74, 75, 76, 82, 83, 90, 123, 124, 125, 131, 132, 139, 180, 181, 188, 237, 466, 467, 468, 474, 475, 482, 523, 524, 531, 580, 866, 867, 874, 923, 1266, 3267, 3268, 3275, 3324, 3667, 6068, 22875 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
MATHEMATICA
Union[Flatten[FromDigits[#, 7]&/@Select[Permutations[Range[0, 6], 6], Min[ Differences[#]]>0&]]] (* Harvey P. Dale, Jul 25 2013 *)
CROSSREFS
Sequence in context: A047305 A032878 A032845 * A063037 A286262 A330029
KEYWORD
nonn,base,fini,full,easy
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Jun 10 2019
STATUS
approved

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Last modified July 14 05:06 EDT 2024. Contains 374291 sequences. (Running on oeis4.)