A372918 - cp's OEIS frontend

A372918 a(n) = Sum_{k=1..n} gcd(k^3,n^2).

n	a(n)
1	1
2	5
3	11
4	26
5	29
6	55
7	55
8	148
9	141
10	145
11	131
12	286
13	181
14	275
15	319
16	680
17	305
18	705
19	379
20	754
21	605
22	655
23	551
24	1628
25	1145
26	905
27	2367
28	1430
29	869
30	1595
31	991
32	3408
33	1441
34	1525
35	1595
36	3666
37	1405
38	1895
39	1991
40	4292
41	1721
42	3025
43	1891
44	3406
45	4089
46	2755
47	2255
48	7480
49	4501
50	5725
51	3355

[1, 5, 11, 26, 29, 55, 55, 148, 141, 145, 131, 286, 181, 275, 319, 680, 305, 705, 379, 754, 605, 655, 551, 1628, 1145, 905, 2367, 1430, 869, 1595, 991, 3408, 1441, 1525, 1595, 3666, 1405, 1895, 1991, 4292, 1721, 3025, 1891, 3406, 4089, 2755, 2255, 7480, 4501, 5725, 3355]

cp's OEIS Frontend

A372918 a(n) = Sum_{k=1..n} gcd(k^3,n^2).

Table of values

List of values