A356537 - cp's OEIS frontend

A356537 Numbers k whose binary expansion is a substring of the binary expansion of binomial(k,2).

n	a(n)
1	3
2	5
3	9
4	11
5	17
6	33
7	44
8	50
9	58
10	65
11	129
12	257
13	396
14	452
15	513
16	581
17	864
18	971
19	1025
20	1139
21	1843
22	1881
23	1914
24	2049
25	2541
26	2676
27	2929
28	3130
29	4097
30	4596
31	5254
32	6621
33	7010
34	7111
35	8193
36	10771
37	11140
38	12655
39	16385
40	17090
41	19135
42	19371
43	19580
44	20985
45	27117
46	27845
47	32769
48	35272
49	44278
50	46779
51	56069

[3, 5, 9, 11, 17, 33, 44, 50, 58, 65, 129, 257, 396, 452, 513, 581, 864, 971, 1025, 1139, 1843, 1881, 1914, 2049, 2541, 2676, 2929, 3130, 4097, 4596, 5254, 6621, 7010, 7111, 8193, 10771, 11140, 12655, 16385, 17090, 19135, 19371, 19580, 20985, 27117, 27845, 32769, 35272, 44278, 46779, 56069]

cp's OEIS Frontend

A356537 Numbers k whose binary expansion is a substring of the binary expansion of binomial(k,2).

Table of values

List of values