A043686 a(n) = (1/2)*(n-th number whose base-2 representation has exactly 12 runs).

1365, 2389, 2645, 2709, 2725, 2729, 2730, 2731, 2733, 2741, 2773, 2901, 3413, 4437, 4693, 4757, 4773, 4777, 4778, 4779, 4781, 4789, 4821, 4949, 5205, 5269, 5285, 5289, 5290, 5291, 5293, 5301, 5333, 5397, 5413, 5417

Offset

1,1

Links

Table of n, a(n) for n=1..36.

Crossrefs

Sequence in context: A281479 A013592 A152942 * A043578 A004970 A234501

Adjacent sequences: A043683 A043684 A043685 * A043687 A043688 A043689

Keyword

nonn,base

Author

Clark Kimberling

Status

approved