login
A043832
Numbers k such that number of runs in the base 4 representation of k is congruent to 0 mod 5.
1
273, 274, 275, 280, 281, 283, 284, 285, 286, 289, 290, 291, 292, 294, 295, 300, 301, 302, 305, 306, 307, 308, 310, 311, 312, 313, 315, 388, 390, 391, 392, 393, 395, 396, 397, 398, 401, 402, 403, 408, 409, 411, 412, 413, 414
OFFSET
1,1
MATHEMATICA
Select[Range[500], Divisible[Length[Split[IntegerDigits[#, 4]]], 5]&] (* Harvey P. Dale, Jul 12 2018 *)
CROSSREFS
Sequence in context: A028679 A389386 A043596 * A043842 A043848 A043855
KEYWORD
nonn,base
STATUS
approved