A220221 - cp's OEIS frontend

A220221 Odd positive integers k such that k^2 has at most three nonzero binary digits.

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	17
7	23
8	33
9	65
10	129
11	257
12	513
13	1025
14	2049
15	4097
16	8193
17	16385
18	32769
19	65537
20	131073
21	262145
22	524289
23	1048577
24	2097153
25	4194305
26	8388609
27	16777217
28	33554433
29	67108865
30	134217729
31	268435457
32	536870913
33	1073741825
34	2147483649
35	4294967297

[1, 3, 5, 7, 9, 17, 23, 33, 65, 129, 257, 513, 1025, 2049, 4097, 8193, 16385, 32769, 65537, 131073, 262145, 524289, 1048577, 2097153, 4194305, 8388609, 16777217, 33554433, 67108865, 134217729, 268435457, 536870913, 1073741825, 2147483649, 4294967297]

cp's OEIS Frontend

A220221 Odd positive integers k such that k^2 has at most three nonzero binary digits.

Table of values

List of values