A324719 - cp's OEIS frontend

A324719 Odd numbers n for which bitor(2n,sigma(n)) = 2*bitor(n,sigma(n)-n), where bitor is bitwise-OR, A003986.

n	a(n)
1	3
2	7
3	15
4	27
5	31
6	51
7	55
8	63
9	111
10	119
11	123
12	125
13	127
14	219
15	255
16	411
17	447
18	485
19	493
20	495
21	505
22	511
23	735
24	765
25	771
26	831
27	879
28	927
29	959
30	965
31	985
32	1011
33	1023
34	1563
35	1587
36	1611
37	1731
38	1779
39	1791
40	1799
41	1887
42	1921
43	1923
44	1945
45	1975
46	1983
47	1991
48	2019
49	2031
50	2041
51	2043
52	2045
53	2047
54	3099
55	3183
56	3231
57	3279
58	3291
59	3327
60	3459
61	3535
62	3579

[3, 7, 15, 27, 31, 51, 55, 63, 111, 119, 123, 125, 127, 219, 255, 411, 447, 485, 493, 495, 505, 511, 735, 765, 771, 831, 879, 927, 959, 965, 985, 1011, 1023, 1563, 1587, 1611, 1731, 1779, 1791, 1799, 1887, 1921, 1923, 1945, 1975, 1983, 1991, 2019, 2031, 2041, 2043, 2045, 2047, 3099, 3183, 3231, 3279, 3291, 3327, 3459, 3535, 3579]

cp's OEIS Frontend

A324719 Odd numbers n for which bitor(2n,sigma(n)) = 2*bitor(n,sigma(n)-n), where bitor is bitwise-OR, A003986.

Table of values

List of values