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A043659 Numbers n such that base 13 representation has exactly 4 runs. 0
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 (list; graph; refs; listen; history; text; internal format)
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: A207793 A232074 A216408 * A178458 A226562 A031772

Adjacent sequences:  A043656 A043657 A043658 * A043660 A043661 A043662

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 20 16:29 EDT 2014. Contains 240807 sequences.