A324726 - cp's OEIS frontend

A324726 Numbers k such that 2k is equal to 2k OR sigma(k), where OR is bitwise-or, A003986, and sigma is the sum of divisors function.

n	a(n)
1	3
2	6
3	7
4	14
5	15
6	21
7	22
8	28
9	31
10	46
11	55
12	57
13	62
14	63
15	86
16	92
17	93
18	94
19	105
20	110
21	111
22	124
23	127
24	154
25	170
26	171
27	188
28	189
29	190
30	201
31	213
32	215
33	217
34	231
35	237
36	248
37	249
38	250
39	253
40	254
41	255
42	310
43	315
44	316
45	351
46	357
47	363
48	369
49	374
50	376
51	381
52	382
53	393
54	430
55	434
56	447
57	465
58	469
59	473
60	483
61	489
62	494
63	496
64	497
65	501
66	506
67	508
68	511
69	602

[3, 6, 7, 14, 15, 21, 22, 28, 31, 46, 55, 57, 62, 63, 86, 92, 93, 94, 105, 110, 111, 124, 127, 154, 170, 171, 188, 189, 190, 201, 213, 215, 217, 231, 237, 248, 249, 250, 253, 254, 255, 310, 315, 316, 351, 357, 363, 369, 374, 376, 381, 382, 393, 430, 434, 447, 465, 469, 473, 483, 489, 494, 496, 497, 501, 506, 508, 511, 602]

cp's OEIS Frontend

A324726 Numbers k such that 2k is equal to 2k OR sigma(k), where OR is bitwise-or, A003986, and sigma is the sum of divisors function.

Table of values

List of values

n	a(n)
1	3
2	6
3	7
4	14
5	15
6	21
7	22
8	28
9	31
10	46
11	55
12	57
13	62
14	63
15	86
16	92
17	93
18	94
19	105
20	110
21	111
22	124
23	127
24	154
25	170
26	171
27	188
28	189
29	190
30	201
31	213
32	215
33	217
34	231
35	237
36	248
37	249
38	250
39	253
40	254
41	255
42	310
43	315
44	316
45	351
46	357
47	363
48	369
49	374
50	376
51	381
52	382
53	393
54	430
55	434
56	447
57	465
58	469
59	473
60	483
61	489
62	494
63	496
64	497
65	501
66	506
67	508
68	511
69	602

n	a(n)
1	3
2	6
3	7
4	14
5	15
6	21
7	22
8	28
9	31
10	46
11	55
12	57
13	62
14	63
15	86
16	92
17	93
18	94
19	105
20	110
21	111
22	124
23	127
24	154
25	170
26	171
27	188
28	189
29	190
30	201
31	213
32	215
33	217
34	231
35	237
36	248
37	249
38	250
39	253
40	254
41	255
42	310
43	315
44	316
45	351
46	357
47	363
48	369
49	374
50	376
51	381
52	382
53	393
54	430
55	434
56	447
57	465
58	469
59	473
60	483
61	489
62	494
63	496
64	497
65	501
66	506
67	508
68	511
69	602

cp's OEIS Frontend

A324726 Numbers k such that 2*k is equal to 2*k OR sigma(k), where OR is bitwise-or, A003986, and sigma is the sum of divisors function.

Table of values

List of values

A324726 Numbers k such that 2k is equal to 2k OR sigma(k), where OR is bitwise-or, A003986, and sigma is the sum of divisors function.

n	a(n)
1	3
2	6
3	7
4	14
5	15
6	21
7	22
8	28
9	31
10	46
11	55
12	57
13	62
14	63
15	86
16	92
17	93
18	94
19	105
20	110
21	111
22	124
23	127
24	154
25	170
26	171
27	188
28	189
29	190
30	201
31	213
32	215
33	217
34	231
35	237
36	248
37	249
38	250
39	253
40	254
41	255
42	310
43	315
44	316
45	351
46	357
47	363
48	369
49	374
50	376
51	381
52	382
53	393
54	430
55	434
56	447
57	465
58	469
59	473
60	483
61	489
62	494
63	496
64	497
65	501
66	506
67	508
68	511
69	602