A319278 - cp's OEIS frontend

A319278 Square array sigma_k(n) read down antidiagonals: sum of the k-th powers of the divisors of n.

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	4
7	1
8	9
9	10
10	7
11	1
12	17
13	28
14	21
15	6
16	1
17	33
18	82
19	73
20	26
21	12
22	1
23	65
24	244
25	273
26	126
27	50
28	8
29	1
30	129
31	730
32	1057
33	626
34	252
35	50
36	15
37	1
38	257
39	2188
40	4161
41	3126
42	1394
43	344
44	85
45	13
46	1
47	513
48	6562
49	16513
50	15626
51	8052
52	2402
53	585
54	91
55	18
56	1
57	1025
58	19684
59	65793
60	78126
61	47450
62	16808
63	4369
64	757
65	130
66	12

[1, 1, 3, 1, 5, 4, 1, 9, 10, 7, 1, 17, 28, 21, 6, 1, 33, 82, 73, 26, 12, 1, 65, 244, 273, 126, 50, 8, 1, 129, 730, 1057, 626, 252, 50, 15, 1, 257, 2188, 4161, 3126, 1394, 344, 85, 13, 1, 513, 6562, 16513, 15626, 8052, 2402, 585, 91, 18, 1, 1025, 19684, 65793, 78126, 47450, 16808, 4369, 757, 130, 12]

cp's OEIS Frontend

A319278 Square array sigma_k(n) read down antidiagonals: sum of the k-th powers of the divisors of n.

Table of values

List of values