A193805 - cp's OEIS frontend

A193805 Square array read by antidiagonals: S(n,k) is the number of m which are prime to n and are not strong divisors of k.

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

[1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 4, 2, 2, 1, 1, 2, 3, 1, 1, 1, 1, 6, 2, 3, 2, 2, 1, 1, 4, 5, 2, 2, 2, 1, 1, 1, 6, 4, 5, 2, 4, 1, 2, 1, 1, 4, 5, 3, 4, 1, 2, 2, 1, 1, 1, 10, 4, 6, 4, 5, 2, 4, 2, 2, 1, 1, 4, 9, 3, 4, 3, 3, 2, 2, 1, 1, 1, 1, 12, 4, 9, 4, 5, 3, 6, 2]

cp's OEIS Frontend

A193805 Square array read by antidiagonals: S(n,k) is the number of m which are prime to n and are not strong divisors of k.

Table of values

List of values

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

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

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