A043512 Numbers having four 5's in base 10.

5555, 15555, 25555, 35555, 45555, 50555, 51555, 52555, 53555, 54555, 55055, 55155, 55255, 55355, 55455, 55505, 55515, 55525, 55535, 55545, 55550, 55551, 55552, 55553, 55554, 55556, 55557, 55558, 55559, 55565, 55575

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base

Links

• Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Crossrefs

Subsequence of A011535.