A383134 - cp's OEIS frontend

A383134 Array read by ascending antidiagonals: A(n,k) is the length of the arithmetic progression of only primes having difference n and first term prime(k).

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

[2, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 5, 1, 1, 1, 2, 1, 2, 3, 1, 3, 1, 2, 1, 1, 1, 1, 1, 2, 1, 4, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]

cp's OEIS Frontend

A383134 Array read by ascending antidiagonals: A(n,k) is the length of the arithmetic progression of only primes having difference n and first term prime(k).

Table of values

List of values

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

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

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