A372627 - cp's OEIS frontend

A372627 Array read by antidiagonals. Row m consists of numbers k such that the sum of 2*m-1 primes starting at prime(k) is prime.

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

[1, 2, 3, 3, 4, 3, 4, 5, 4, 7, 5, 7, 5, 8, 2, 6, 8, 6, 9, 10, 3, 7, 9, 8, 10, 11, 4, 10, 8, 10, 10, 11, 12, 5, 13, 2, 9, 11, 11, 14, 15, 6, 15, 4, 2, 10, 13, 14, 15, 22, 8, 18, 8, 3, 5, 11, 16, 16, 16, 23, 9, 20, 9, 9, 7, 4, 12, 18, 17, 18, 24, 12, 24, 10, 10, 8, 7, 4, 13, 19, 19, 20, 28, 13, 25]

cp's OEIS Frontend

A372627 Array read by antidiagonals. Row m consists of numbers k such that the sum of 2*m-1 primes starting at prime(k) is prime.

Table of values

List of values

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

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

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