A166751 Those even positive integers that when written in binary, each run of 0's is of exactly the same length as the run of 1's immediately before it.

2, 10, 12, 42, 44, 50, 56, 170, 172, 178, 184, 202, 204, 226, 240, 682, 684, 690, 696, 714, 716, 738, 752, 810, 812, 818, 824, 906, 908, 962, 992, 2730, 2732, 2738, 2744, 2762, 2764, 2786, 2800, 2858, 2860, 2866, 2872, 2954, 2956, 3010, 3040, 3242, 3244

Offset

1,1

Comments

Each term, when written in binary, contains an even number of digits, obviously.

The runs of 0's in the n-th term form the composition in the n-th row of A228369. - John Tyler Rascoe, Sep 05 2024

Links

John Tyler Rascoe, Table of n, a(n) for n = 1..8192

Example

The first 7 terms written in binary: 10, 1010, 1100, 101010, 101100, 110010, 111000.

Crossrefs

Cf. A066099, A164707, A175413, A228369.

Sequence in context: A154391 A035928 A014486 * A216649 A071162 A075165

Adjacent sequences: A166748 A166749 A166750 * A166752 A166753 A166754

Keyword

base,nonn

Author

Leroy Quet, Oct 21 2009

Extensions

Extended by Ray Chandler, Mar 11 2010

Status

approved