A324723 - cp's OEIS frontend

A324723 Numbers n such that bitor(2*k, sigma(k)) == 2k, where k = A156552(n).

n	a(n)
1	4
2	8
3	9
4	16
5	27
6	30
7	32
8	45
9	64
10	72
11	125
12	128
13	135
14	144
15	243
16	250
17	256
18	270
19	315
20	405
21	420
22	480
23	490
24	512
25	576
26	600
27	675
28	756
29	810
30	825
31	875
32	988
33	1000
34	1024
35	1152
36	1155
37	1210
38	1215
39	1458
40	1470
41	1600
42	1690
43	1716
44	1728
45	1920
46	2048
47	2100
48	2187
49	2250
50	2430
51	2450
52	2475
53	3125
54	3234
55	3240
56	3600
57	3645
58	3825
59	4320
60	4375
61	5070
62	5103

[4, 8, 9, 16, 27, 30, 32, 45, 64, 72, 125, 128, 135, 144, 243, 250, 256, 270, 315, 405, 420, 480, 490, 512, 576, 600, 675, 756, 810, 825, 875, 988, 1000, 1024, 1152, 1155, 1210, 1215, 1458, 1470, 1600, 1690, 1716, 1728, 1920, 2048, 2100, 2187, 2250, 2430, 2450, 2475, 3125, 3234, 3240, 3600, 3645, 3825, 4320, 4375, 5070, 5103]

cp's OEIS Frontend

A324723 Numbers n such that bitor(2*k, sigma(k)) == 2k, where k = A156552(n).

Table of values

List of values