A092739 - cp's OEIS frontend

A092739 Numbers n such that n*(n+1)/2 is the juxtaposition of two identical strings in binary representation.

n	a(n)
1	2
2	4
3	5
4	8
5	9
6	16
7	17
8	32
9	33
10	44
11	64
12	65
13	90
14	128
15	129
16	171
17	256
18	257
19	512
20	513
21	702
22	1024
23	1025
24	2048
25	2049
26	2732
27	4096
28	4097
29	5542
30	8192
31	8193
32	10923
33	16384
34	16385
35	17515
36	22939
37	32768
38	32769
39	40050
40	43361
41	65536
42	65537
43	131072
44	131073
45	174764

[2, 4, 5, 8, 9, 16, 17, 32, 33, 44, 64, 65, 90, 128, 129, 171, 256, 257, 512, 513, 702, 1024, 1025, 2048, 2049, 2732, 4096, 4097, 5542, 8192, 8193, 10923, 16384, 16385, 17515, 22939, 32768, 32769, 40050, 43361, 65536, 65537, 131072, 131073, 174764]

cp's OEIS Frontend

A092739 Numbers n such that n*(n+1)/2 is the juxtaposition of two identical strings in binary representation.

Table of values

List of values