A344132 - cp's OEIS frontend

A344132 a(n) = Sum_{i|n, j|n, k|n} gcd(i,j,k).

n	a(n)
1	1
2	9
3	10
4	37
5	12
6	90
7	14
8	111
9	49
10	108
11	18
12	370
13	20
14	126
15	120
16	283
17	24
18	441
19	26
20	444
21	140
22	162
23	30
24	1110
25	79
26	180
27	184
28	518
29	36
30	1080
31	38
32	657
33	180
34	216
35	168
36	1813
37	44
38	234
39	200
40	1332
41	48
42	1260
43	50
44	666
45	588
46	270
47	54
48	2830
49	117
50	711
51	240
52	740
53	60
54	1656
55	216
56	1554
57	260
58	324
59	66
60	4440
61	68
62	342
63	686
64	1441
65	240
66	1620
67	74

[1, 9, 10, 37, 12, 90, 14, 111, 49, 108, 18, 370, 20, 126, 120, 283, 24, 441, 26, 444, 140, 162, 30, 1110, 79, 180, 184, 518, 36, 1080, 38, 657, 180, 216, 168, 1813, 44, 234, 200, 1332, 48, 1260, 50, 666, 588, 270, 54, 2830, 117, 711, 240, 740, 60, 1656, 216, 1554, 260, 324, 66, 4440, 68, 342, 686, 1441, 240, 1620, 74]

cp's OEIS Frontend

A344132 a(n) = Sum_{i|n, j|n, k|n} gcd(i,j,k).

Table of values

List of values