A109974 - cp's OEIS frontend

A109974 Array read by downwards antidiagonals: sigma_k(n) for n >= 1, k >= 0.

n	a(n)
0	1
1	2
2	1
3	2
4	3
5	1
6	3
7	4
8	5
9	1
10	2
11	7
12	10
13	9
14	1
15	4
16	6
17	21
18	28
19	17
20	1
21	2
22	12
23	26
24	73
25	82
26	33
27	1
28	4
29	8
30	50
31	126
32	273
33	244
34	65
35	1
36	3
37	15
38	50
39	252
40	626
41	1057
42	730
43	129
44	1
45	4
46	13
47	85
48	344
49	1394
50	3126
51	4161
52	2188
53	257
54	1
55	2
56	18
57	91
58	585
59	2402
60	8052
61	15626
62	16513
63	6562
64	513
65	1

[1, 2, 1, 2, 3, 1, 3, 4, 5, 1, 2, 7, 10, 9, 1, 4, 6, 21, 28, 17, 1, 2, 12, 26, 73, 82, 33, 1, 4, 8, 50, 126, 273, 244, 65, 1, 3, 15, 50, 252, 626, 1057, 730, 129, 1, 4, 13, 85, 344, 1394, 3126, 4161, 2188, 257, 1, 2, 18, 91, 585, 2402, 8052, 15626, 16513, 6562, 513, 1]

cp's OEIS Frontend

A109974 Array read by downwards antidiagonals: sigma_k(n) for n >= 1, k >= 0.

Table of values

List of values