login
A043776
Numbers n such that number of runs in the base 3 representation of n is congruent to 0 mod 4.
0
30, 32, 33, 34, 46, 47, 48, 50, 57, 59, 60, 61, 64, 65, 69, 70, 84, 86, 87, 88, 90, 93, 95, 98, 99, 103, 105, 106, 111, 113, 114, 115, 127, 128, 129, 131, 136, 137, 139, 143, 144, 147, 149, 152, 154, 155, 156, 158, 165, 167, 168, 169
OFFSET
1,1
MATHEMATICA
Select[Range[200], Divisible[Length[Split[IntegerDigits[#, 3]]], 4]&] (* Harvey P. Dale, Sep 10 2017 *)
CROSSREFS
Sequence in context: A042858 A175514 A043584 * A043784 A043789 A043795
KEYWORD
nonn,base
STATUS
approved