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A043643
Numbers whose base-10 representation has exactly 7 runs.
0
1010101, 1010102, 1010103, 1010104, 1010105, 1010106, 1010107, 1010108, 1010109, 1010120, 1010121, 1010123, 1010124, 1010125, 1010126, 1010127, 1010128, 1010129, 1010130, 1010131, 1010132, 1010134, 1010135, 1010136
OFFSET
1,1
CROSSREFS
Sequence in context: A133219 A306515 A306517 * A269564 A096931 A210274
KEYWORD
nonn,base
STATUS
approved