A351522 - cp's OEIS frontend

A351522 Square array T(n, k) read by antidiagonals, n, k >= 0; T(n, k) is the number of distinct values in the set { T(i, j) with 0 <= i <= n and 0 <= j <= k and gcd(n-i, k-j) = 1 }.

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	1
11	3
12	3
13	3
14	1
15	1
16	3
17	4
18	4
19	3
20	1
21	1
22	3
23	4
24	3
25	4
26	3
27	1
28	1
29	3
30	5
31	5
32	5
33	5
34	3
35	1
36	1
37	3
38	4
39	5
40	4
41	5
42	4
43	3
44	1
45	1
46	3
47	5
48	5
49	6
50	6
51	5
52	5
53	3
54	1
55	1
56	3
57	4
58	5
59	6
60	5
61	6
62	5
63	4
64	3
65	1
66	1
67	3
68	5
69	6
70	6
71	7
72	7
73	6
74	6
75	5
76	3
77	1
78	1
79	3
80	4
81	5
82	6
83	7
84	6
85	7
86	6
87	5
88	4
89	3
90	1

[0, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 3, 3, 3, 1, 1, 3, 4, 4, 3, 1, 1, 3, 4, 3, 4, 3, 1, 1, 3, 5, 5, 5, 5, 3, 1, 1, 3, 4, 5, 4, 5, 4, 3, 1, 1, 3, 5, 5, 6, 6, 5, 5, 3, 1, 1, 3, 4, 5, 6, 5, 6, 5, 4, 3, 1, 1, 3, 5, 6, 6, 7, 7, 6, 6, 5, 3, 1, 1, 3, 4, 5, 6, 7, 6, 7, 6, 5, 4, 3, 1]

cp's OEIS Frontend

A351522 Square array T(n, k) read by antidiagonals, n, k >= 0; T(n, k) is the number of distinct values in the set { T(i, j) with 0 <= i <= n and 0 <= j <= k and gcd(n-i, k-j) = 1 }.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	1
11	3
12	3
13	3
14	1
15	1
16	3
17	4
18	4
19	3
20	1
21	1
22	3
23	4
24	3
25	4
26	3
27	1
28	1
29	3
30	5
31	5
32	5
33	5
34	3
35	1
36	1
37	3
38	4
39	5
40	4
41	5
42	4
43	3
44	1
45	1
46	3
47	5
48	5
49	6
50	6
51	5
52	5
53	3
54	1
55	1
56	3
57	4
58	5
59	6
60	5
61	6
62	5
63	4
64	3
65	1
66	1
67	3
68	5
69	6
70	6
71	7
72	7
73	6
74	6
75	5
76	3
77	1
78	1
79	3
80	4
81	5
82	6
83	7
84	6
85	7
86	6
87	5
88	4
89	3
90	1

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	1
11	3
12	3
13	3
14	1
15	1
16	3
17	4
18	4
19	3
20	1
21	1
22	3
23	4
24	3
25	4
26	3
27	1
28	1
29	3
30	5
31	5
32	5
33	5
34	3
35	1
36	1
37	3
38	4
39	5
40	4
41	5
42	4
43	3
44	1
45	1
46	3
47	5
48	5
49	6
50	6
51	5
52	5
53	3
54	1
55	1
56	3
57	4
58	5
59	6
60	5
61	6
62	5
63	4
64	3
65	1
66	1
67	3
68	5
69	6
70	6
71	7
72	7
73	6
74	6
75	5
76	3
77	1
78	1
79	3
80	4
81	5
82	6
83	7
84	6
85	7
86	6
87	5
88	4
89	3
90	1

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	1
11	3
12	3
13	3
14	1
15	1
16	3
17	4
18	4
19	3
20	1
21	1
22	3
23	4
24	3
25	4
26	3
27	1
28	1
29	3
30	5
31	5
32	5
33	5
34	3
35	1
36	1
37	3
38	4
39	5
40	4
41	5
42	4
43	3
44	1
45	1
46	3
47	5
48	5
49	6
50	6
51	5
52	5
53	3
54	1
55	1
56	3
57	4
58	5
59	6
60	5
61	6
62	5
63	4
64	3
65	1
66	1
67	3
68	5
69	6
70	6
71	7
72	7
73	6
74	6
75	5
76	3
77	1
78	1
79	3
80	4
81	5
82	6
83	7
84	6
85	7
86	6
87	5
88	4
89	3
90	1