A077100 - cp's OEIS frontend

A077100 a(n) = lcm(A051612(n), A065387(n)), where A051612(n) = sigma(n) - phi(n) and A065387(n) = sigma(n) + phi(n).

n	a(n)
1	0
2	4
3	6
4	45
5	10
6	70
7	14
8	209
9	133
10	154
11	22
12	96
13	26
14	90
15	32
16	897
17	34
18	495
19	38
20	850
21	220
22	598
23	46
24	884
25	561
26	270
27	638
28	748
29	58
30	320
31	62
32	3713
33	476
34	1330
35	72
36	8137
37	74
38	546
39	160
40	3922
41	82
42	756
43	86
44	832
45	918
46	2350
47	94
48	3780
49	495
50	8249
51	520
52	4514
53	106
54	2346
55	224

[0, 4, 6, 45, 10, 70, 14, 209, 133, 154, 22, 96, 26, 90, 32, 897, 34, 495, 38, 850, 220, 598, 46, 884, 561, 270, 638, 748, 58, 320, 62, 3713, 476, 1330, 72, 8137, 74, 546, 160, 3922, 82, 756, 86, 832, 918, 2350, 94, 3780, 495, 8249, 520, 4514, 106, 2346, 224]

cp's OEIS Frontend

A077100 a(n) = lcm(A051612(n), A065387(n)), where A051612(n) = sigma(n) - phi(n) and A065387(n) = sigma(n) + phi(n).

Table of values

List of values