A198068 - cp's OEIS frontend

A198068 Square array read by antidiagonals, n>=1, k>=1; T(n,k) is the number of primes which are prime to n and are not strong divisors of k.

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

[0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 1, 1, 1, 0, 2, 2, 2, 2, 1, 0, 1, 2, 2, 1, 1, 1, 0, 1, 2, 2, 2, 1, 2, 1, 0, 1, 1, 2, 2, 1, 2, 1, 1, 0, 2, 2, 2, 2, 3, 3, 1, 2, 1, 0, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 0, 2, 2, 3, 2, 2, 3, 2, 2, 2, 2, 1, 0, 1, 2, 2, 2, 2, 2, 1, 2, 2]

cp's OEIS Frontend

A198068 Square array read by antidiagonals, n>=1, k>=1; T(n,k) is the number of primes which are prime to n and are not strong divisors of k.

Table of values

List of values

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

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

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