A207409 - cp's OEIS frontend

A207409 Triangular array: T(n,k) = prime(n) mod prime(k), 1 <= k < n.

n	a(n)
2	1
3	1
4	2
5	1
6	1
7	2
8	1
9	2
10	1
11	4
12	1
13	1
14	3
15	6
16	2
17	1
18	2
19	2
20	3
21	6
22	4
23	1
24	1
25	4
26	5
27	8
28	6
29	2
30	1
31	2
32	3
33	2
34	1
35	10
36	6
37	4
38	1
39	2
40	4
41	1
42	7
43	3
44	12
45	10
46	6
47	1
48	1
49	1
50	3
51	9
52	5
53	14
54	12
55	8
56	2
57	1
58	1
59	2
60	2
61	4
62	11
63	3
64	18
65	14
66	8
67	6
68	1
69	2
70	1
71	6
72	8
73	2
74	7
75	3
76	18
77	12
78	10
79	4
80	1
81	1
82	3
83	1
84	10
85	4
86	9
87	5
88	20
89	14
90	12
91	6
92	2
93	1

[1, 1, 2, 1, 1, 2, 1, 2, 1, 4, 1, 1, 3, 6, 2, 1, 2, 2, 3, 6, 4, 1, 1, 4, 5, 8, 6, 2, 1, 2, 3, 2, 1, 10, 6, 4, 1, 2, 4, 1, 7, 3, 12, 10, 6, 1, 1, 1, 3, 9, 5, 14, 12, 8, 2, 1, 1, 2, 2, 4, 11, 3, 18, 14, 8, 6, 1, 2, 1, 6, 8, 2, 7, 3, 18, 12, 10, 4, 1, 1, 3, 1, 10, 4, 9, 5, 20, 14, 12, 6, 2, 1]

cp's OEIS Frontend

A207409 Triangular array: T(n,k) = prime(n) mod prime(k), 1 <= k < n.

Table of values

List of values

n	a(n)
2	1
3	1
4	2
5	1
6	1
7	2
8	1
9	2
10	1
11	4
12	1
13	1
14	3
15	6
16	2
17	1
18	2
19	2
20	3
21	6
22	4
23	1
24	1
25	4
26	5
27	8
28	6
29	2
30	1
31	2
32	3
33	2
34	1
35	10
36	6
37	4
38	1
39	2
40	4
41	1
42	7
43	3
44	12
45	10
46	6
47	1
48	1
49	1
50	3
51	9
52	5
53	14
54	12
55	8
56	2
57	1
58	1
59	2
60	2
61	4
62	11
63	3
64	18
65	14
66	8
67	6
68	1
69	2
70	1
71	6
72	8
73	2
74	7
75	3
76	18
77	12
78	10
79	4
80	1
81	1
82	3
83	1
84	10
85	4
86	9
87	5
88	20
89	14
90	12
91	6
92	2
93	1

n	a(n)
2	1
3	1
4	2
5	1
6	1
7	2
8	1
9	2
10	1
11	4
12	1
13	1
14	3
15	6
16	2
17	1
18	2
19	2
20	3
21	6
22	4
23	1
24	1
25	4
26	5
27	8
28	6
29	2
30	1
31	2
32	3
33	2
34	1
35	10
36	6
37	4
38	1
39	2
40	4
41	1
42	7
43	3
44	12
45	10
46	6
47	1
48	1
49	1
50	3
51	9
52	5
53	14
54	12
55	8
56	2
57	1
58	1
59	2
60	2
61	4
62	11
63	3
64	18
65	14
66	8
67	6
68	1
69	2
70	1
71	6
72	8
73	2
74	7
75	3
76	18
77	12
78	10
79	4
80	1
81	1
82	3
83	1
84	10
85	4
86	9
87	5
88	20
89	14
90	12
91	6
92	2
93	1

n	a(n)
2	1
3	1
4	2
5	1
6	1
7	2
8	1
9	2
10	1
11	4
12	1
13	1
14	3
15	6
16	2
17	1
18	2
19	2
20	3
21	6
22	4
23	1
24	1
25	4
26	5
27	8
28	6
29	2
30	1
31	2
32	3
33	2
34	1
35	10
36	6
37	4
38	1
39	2
40	4
41	1
42	7
43	3
44	12
45	10
46	6
47	1
48	1
49	1
50	3
51	9
52	5
53	14
54	12
55	8
56	2
57	1
58	1
59	2
60	2
61	4
62	11
63	3
64	18
65	14
66	8
67	6
68	1
69	2
70	1
71	6
72	8
73	2
74	7
75	3
76	18
77	12
78	10
79	4
80	1
81	1
82	3
83	1
84	10
85	4
86	9
87	5
88	20
89	14
90	12
91	6
92	2
93	1