A302244 - cp's OEIS frontend

A302244 Length of longest run of primes in any of the four diagonals starting from the center of a square number spiral with n at the center.

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

[1, 3, 0, 2, 0, 3, 0, 6, 0, 1, 0, 5, 0, 2, 0, 2, 0, 8, 0, 1, 0, 1, 0, 4, 0, 4, 0, 2, 0, 3, 0, 1, 0, 1, 0, 3, 0, 8, 0, 1, 0, 20, 0, 4, 0, 1, 0, 3, 0, 1, 0, 1, 0, 2, 0, 2, 0, 2, 0, 13, 0, 1, 0, 2, 0, 3, 0, 7, 0, 1, 0, 4, 0, 1, 0, 1, 0, 3, 0, 1, 0, 1, 0, 2, 0, 2]

cp's OEIS Frontend

A302244 Length of longest run of primes in any of the four diagonals starting from the center of a square number spiral with n at the center.

Table of values

List of values

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

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

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