A321258 - cp's OEIS frontend

A321258 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = sigma_k(n) - n^k.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	1
7	0
8	1
9	1
10	2
11	0
12	1
13	1
14	3
15	1
16	0
17	1
18	1
19	5
20	1
21	3
22	0
23	1
24	1
25	9
26	1
27	6
28	1
29	0
30	1
31	1
32	17
33	1
34	14
35	1
36	3
37	0
38	1
39	1
40	33
41	1
42	36
43	1
44	7
45	2
46	0
47	1
48	1
49	65
50	1
51	98
52	1
53	21
54	4
55	3
56	0
57	1
58	1
59	129
60	1
61	276
62	1
63	73
64	10
65	8
66	1
67	0
68	1
69	1
70	257
71	1
72	794
73	1
74	273
75	28
76	30
77	1
78	5

[0, 0, 1, 0, 1, 1, 0, 1, 1, 2, 0, 1, 1, 3, 1, 0, 1, 1, 5, 1, 3, 0, 1, 1, 9, 1, 6, 1, 0, 1, 1, 17, 1, 14, 1, 3, 0, 1, 1, 33, 1, 36, 1, 7, 2, 0, 1, 1, 65, 1, 98, 1, 21, 4, 3, 0, 1, 1, 129, 1, 276, 1, 73, 10, 8, 1, 0, 1, 1, 257, 1, 794, 1, 273, 28, 30, 1, 5]

cp's OEIS Frontend

A321258 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = sigma_k(n) - n^k.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	1
7	0
8	1
9	1
10	2
11	0
12	1
13	1
14	3
15	1
16	0
17	1
18	1
19	5
20	1
21	3
22	0
23	1
24	1
25	9
26	1
27	6
28	1
29	0
30	1
31	1
32	17
33	1
34	14
35	1
36	3
37	0
38	1
39	1
40	33
41	1
42	36
43	1
44	7
45	2
46	0
47	1
48	1
49	65
50	1
51	98
52	1
53	21
54	4
55	3
56	0
57	1
58	1
59	129
60	1
61	276
62	1
63	73
64	10
65	8
66	1
67	0
68	1
69	1
70	257
71	1
72	794
73	1
74	273
75	28
76	30
77	1
78	5

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	1
7	0
8	1
9	1
10	2
11	0
12	1
13	1
14	3
15	1
16	0
17	1
18	1
19	5
20	1
21	3
22	0
23	1
24	1
25	9
26	1
27	6
28	1
29	0
30	1
31	1
32	17
33	1
34	14
35	1
36	3
37	0
38	1
39	1
40	33
41	1
42	36
43	1
44	7
45	2
46	0
47	1
48	1
49	65
50	1
51	98
52	1
53	21
54	4
55	3
56	0
57	1
58	1
59	129
60	1
61	276
62	1
63	73
64	10
65	8
66	1
67	0
68	1
69	1
70	257
71	1
72	794
73	1
74	273
75	28
76	30
77	1
78	5

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	1
7	0
8	1
9	1
10	2
11	0
12	1
13	1
14	3
15	1
16	0
17	1
18	1
19	5
20	1
21	3
22	0
23	1
24	1
25	9
26	1
27	6
28	1
29	0
30	1
31	1
32	17
33	1
34	14
35	1
36	3
37	0
38	1
39	1
40	33
41	1
42	36
43	1
44	7
45	2
46	0
47	1
48	1
49	65
50	1
51	98
52	1
53	21
54	4
55	3
56	0
57	1
58	1
59	129
60	1
61	276
62	1
63	73
64	10
65	8
66	1
67	0
68	1
69	1
70	257
71	1
72	794
73	1
74	273
75	28
76	30
77	1
78	5