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A043792 Numbers whose number of runs in base 3 is congruent to 1 (mod 7). 0
1, 2, 4, 8, 13, 26, 40, 80, 121, 242, 364, 728, 1093, 2186, 2460, 2462, 2463, 2464, 2476, 2477, 2478, 2480, 2487, 2489, 2490, 2491, 2494, 2495, 2499, 2500, 2602, 2603, 2607, 2608, 2611, 2612, 2613, 2615, 2622, 2624, 2625 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
MATHEMATICA
Select[Range[3000], Mod[Length[Split[IntegerDigits[#, 3]]], 7]==1&] (* Harvey P. Dale, Jul 25 2019 *)
CROSSREFS
Cf. A007089.
Sequence in context: A043777 A043781 A043786 * A043799 A043807 A043816
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified July 17 18:36 EDT 2024. Contains 374377 sequences. (Running on oeis4.)