A332654 - cp's OEIS frontend

A332654 a(n) = Sum_{k=1..n} (k/gcd(n, k))^2.

n	a(n)
1	1
2	2
3	6
4	12
5	31
6	33
7	92
8	96
9	165
10	172
11	386
12	239
13	651
14	499
15	656
16	776
17	1497
18	846
19	2110
20	1262
21	1903
22	2037
23	3796
24	1867
25	4181
26	3408
27	4530
28	3673
29	7715
30	3183
31	9456
32	6232
33	7761
34	7754
35	10062
36	6248
37	16207
38	10889
39	12980
40	9906
41	22141
42	9308
43	25586
44	15027
45	17075
46	19483
47	33512
48	14851

[1, 2, 6, 12, 31, 33, 92, 96, 165, 172, 386, 239, 651, 499, 656, 776, 1497, 846, 2110, 1262, 1903, 2037, 3796, 1867, 4181, 3408, 4530, 3673, 7715, 3183, 9456, 6232, 7761, 7754, 10062, 6248, 16207, 10889, 12980, 9906, 22141, 9308, 25586, 15027, 17075, 19483, 33512, 14851]

cp's OEIS Frontend

A332654 a(n) = Sum_{k=1..n} (k/gcd(n, k))^2.

Table of values

List of values