A322104 - cp's OEIS frontend

A322104 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = Sum_{d|n} d*sigma_k(d).

n	a(n)
1	1
2	1
3	5
4	1
5	7
6	7
7	1
8	11
9	13
10	17
11	1
12	19
13	31
14	35
15	11
16	1
17	35
18	85
19	95
20	31
21	35
22	1
23	67
24	247
25	311
26	131
27	91
28	15
29	1
30	131
31	733
32	1127
33	631
34	341
35	57
36	49
37	1
38	259
39	2191
40	4295
41	3131
42	1615
43	351
44	155
45	34
46	1
47	515
48	6565
49	16775
50	15631
51	8645
52	2409
53	775
54	130
55	55
56	1
57	1027
58	19687
59	66311
60	78131
61	49111
62	16815
63	4991
64	850
65	217
66	23

[1, 1, 5, 1, 7, 7, 1, 11, 13, 17, 1, 19, 31, 35, 11, 1, 35, 85, 95, 31, 35, 1, 67, 247, 311, 131, 91, 15, 1, 131, 733, 1127, 631, 341, 57, 49, 1, 259, 2191, 4295, 3131, 1615, 351, 155, 34, 1, 515, 6565, 16775, 15631, 8645, 2409, 775, 130, 55, 1, 1027, 19687, 66311, 78131, 49111, 16815, 4991, 850, 217, 23]

cp's OEIS Frontend

A322104 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = Sum_{d|n} d*sigma_k(d).

Table of values

List of values