A043659 Numbers whose base-13 representation has exactly 4 runs.

2210, 2212, 2213, 2214, 2215, 2216, 2217, 2218, 2219, 2220, 2221, 2222, 2223, 2224, 2226, 2227, 2228, 2229, 2230, 2231, 2232, 2233, 2234, 2235, 2236, 2237, 2238, 2240, 2241, 2242, 2243, 2244, 2245, 2246, 2247, 2248

Offset

1,1

Links

Table of n, a(n) for n=1..36.

Mathematica

Select[Range[2300], Length[Split[IntegerDigits[#, 13]]]==4&] (* Harvey P. Dale, Mar 07 2012 *)

Crossrefs

Sequence in context: A232074 A278207 A216408 * A178458 A248712 A226562

Adjacent sequences: A043656 A043657 A043658 * A043660 A043661 A043662

Keyword

nonn,base

Author

Clark Kimberling

Status

approved