|
| |
|
|
A210417
|
|
List the positions of all digits 3 in the concatenation of all terms, not necessarily in order. This is the lexicographically earliest such sequence.
|
|
8
|
|
|
|
2, 3, 30, 6, 31, 9, 32, 13, 33, 12, 14, 21, 34, 25, 35, 29, 333, 3333, 36, 38, 42, 300, 47, 301, 52, 302, 57, 303, 59, 63, 66, 304, 71, 305, 76, 306, 81, 307, 86, 308, 91, 309, 96, 310, 102, 311, 108, 312, 113, 117, 313, 119, 126, 314, 130, 133, 134, 136, 139
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
See A210415 for comments, links, and code.
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
The sequence cannot start with 1 because the first digit is not 3. Let us start with 2: the second digit is equal to 3. So in the second position we have 3 and the third digit must be 3. Because 3 has been already used the minimum number starting with 3 is 30. And so on.
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn,base
|
|
|
AUTHOR
|
|
|
|
EXTENSIONS
|
|
|
|
STATUS
|
approved
|
| |
|
|
