A318926 - cp's OEIS frontend

A318926 Take the binary expansion of n, starting with the least significant bit, and concatenate the lengths of the runs.

n	a(n)
1	1
2	11
3	2
4	21
5	111
6	12
7	3
8	31
9	121
10	1111
11	211
12	22
13	112
14	13
15	4
16	41
17	131
18	1121
19	221
20	2111
21	11111
22	1211
23	311
24	32
25	122
26	1112
27	212
28	23
29	113
30	14
31	5
32	51
33	141
34	1131
35	231
36	2121
37	11121
38	1221
39	321
40	3111
41	12111
42	111111
43	21111
44	2211
45	11211
46	1311
47	411
48	42
49	132
50	1122
51	222
52	2112
53	11112
54	1212
55	312
56	33
57	123

[1, 11, 2, 21, 111, 12, 3, 31, 121, 1111, 211, 22, 112, 13, 4, 41, 131, 1121, 221, 2111, 11111, 1211, 311, 32, 122, 1112, 212, 23, 113, 14, 5, 51, 141, 1131, 231, 2121, 11121, 1221, 321, 3111, 12111, 111111, 21111, 2211, 11211, 1311, 411, 42, 132, 1122, 222, 2112, 11112, 1212, 312, 33, 123]

cp's OEIS Frontend

A318926 Take the binary expansion of n, starting with the least significant bit, and concatenate the lengths of the runs.

Table of values

List of values