A343489 - cp's OEIS frontend

A343489 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Sum_{j=1..n} k^(gcd(j, n) - 1).

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	2
10	0
11	1
12	3
13	3
14	2
15	0
16	1
17	4
18	6
19	4
20	4
21	0
22	1
23	5
24	11
25	12
26	5
27	2
28	0
29	1
30	6
31	18
32	32
33	20
34	6
35	6
36	0
37	1
38	7
39	27
40	70
41	85
42	42
43	7
44	4
45	0
46	1
47	8
48	38
49	132
50	260
51	260
52	70
53	8
54	6
55	0
56	1
57	9
58	51
59	224
60	629
61	1050
62	735
63	144
64	9
65	4
66	0
67	1
68	10
69	66
70	352
71	1300
72	3162
73	4102
74	2224
75	270
76	10
77	10

[0, 0, 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 3, 3, 2, 0, 1, 4, 6, 4, 4, 0, 1, 5, 11, 12, 5, 2, 0, 1, 6, 18, 32, 20, 6, 6, 0, 1, 7, 27, 70, 85, 42, 7, 4, 0, 1, 8, 38, 132, 260, 260, 70, 8, 6, 0, 1, 9, 51, 224, 629, 1050, 735, 144, 9, 4, 0, 1, 10, 66, 352, 1300, 3162, 4102, 2224, 270, 10, 10]

cp's OEIS Frontend

A343489 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Sum_{j=1..n} k^(gcd(j, n) - 1).

Table of values

List of values