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A043854
Number of runs in the base 4 representation of n is congruent to 4 mod 8.
0
68, 70, 71, 72, 73, 75, 76, 77, 78, 97, 98, 99, 100, 102, 103, 108, 109, 110, 113, 114, 115, 116, 118, 119, 120, 121, 123, 132, 134, 135, 136, 137, 139, 140, 141, 142, 145, 146, 147, 152, 153, 155, 156, 157, 158, 177, 178, 179
OFFSET
1,1
MATHEMATICA
Select[Range[200], Mod[Length[Split[IntegerDigits[#, 4]]], 8]==4&] (* Harvey P. Dale, Jul 17 2013 *)
CROSSREFS
Sequence in context: A043836 A043841 A043847 * A043862 A043871 A269987
KEYWORD
nonn,base
STATUS
approved