A253608 - cp's OEIS frontend

A253608 The binary representation of a(n) is the concatenation of n and the binary complement of n, A035327(n).

n	a(n)
1	2
2	9
3	12
4	35
5	42
6	49
7	56
8	135
9	150
10	165
11	180
12	195
13	210
14	225
15	240
16	527
17	558
18	589
19	620
20	651
21	682
22	713
23	744
24	775
25	806
26	837
27	868
28	899
29	930
30	961
31	992
32	2079
33	2142
34	2205
35	2268
36	2331
37	2394
38	2457
39	2520
40	2583
41	2646
42	2709
43	2772
44	2835
45	2898
46	2961
47	3024
48	3087
49	3150
50	3213

[2, 9, 12, 35, 42, 49, 56, 135, 150, 165, 180, 195, 210, 225, 240, 527, 558, 589, 620, 651, 682, 713, 744, 775, 806, 837, 868, 899, 930, 961, 992, 2079, 2142, 2205, 2268, 2331, 2394, 2457, 2520, 2583, 2646, 2709, 2772, 2835, 2898, 2961, 3024, 3087, 3150, 3213]

cp's OEIS Frontend

A253608 The binary representation of a(n) is the concatenation of n and the binary complement of n, A035327(n).

Table of values

List of values