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A278941
Between two successive digits "6" there are 0, then 1, then 2, then 3, ... other digits.
1
0, 1, 2, 3, 4, 5, 6, 60, 61, 7, 62, 8, 9, 63, 10, 16, 11, 12, 26, 13, 14, 15, 64, 17, 18, 19, 65, 20, 21, 22, 36, 23, 24, 25, 27, 46, 28, 29, 30, 31, 32, 67, 33, 34, 35, 37, 38, 68, 39, 40, 41, 42, 43, 56, 44, 45, 47, 48, 49, 50, 76, 51, 52, 53, 54, 55, 57, 58, 69, 59, 70, 71, 72, 73, 74
OFFSET
1,3
COMMENTS
The sequence starts with a(1) = 0 and is always extended with the smallest integer not yet present that does not lead to a contradiction.
LINKS
EXAMPLE
There are 0 digit between "6" and "60"; there is 1 digit between the "6" of "60" and the "6" of "61" (this is the "0" of "60"); there are 2 digits between the "6" of "61" and the "6" of "62" (they are the "1" of "61" and the "7" of "7"); there are 3 digits between the "6" of "62" and the "6" of "63" (they are the "2" of "62", the "8" of "8" and the "9" of "9"); etc.
CROSSREFS
Sequence in context: A032549 A028428 A273473 * A303164 A024643 A166099
KEYWORD
nonn,base
AUTHOR
STATUS
approved