A213649 - cp's OEIS frontend

A213649 Smallest k such that there exists a square between prime(n) and prime(n+k).

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

[2, 1, 2, 1, 2, 1, 3, 2, 1, 2, 1, 4, 3, 2, 1, 3, 2, 1, 4, 3, 2, 1, 3, 2, 1, 5, 4, 3, 2, 1, 4, 3, 2, 1, 5, 4, 3, 2, 1, 5, 4, 3, 2, 1, 4, 3, 2, 1, 6, 5, 4, 3, 2, 1, 7, 6, 5, 4, 3, 2, 1, 5, 4, 3, 2, 1, 6, 5, 4, 3, 2, 1, 6, 5, 4, 3, 2, 1, 7, 6, 5, 4, 3, 2, 1, 7, 6]

cp's OEIS Frontend

A213649 Smallest k such that there exists a square between prime(n) and prime(n+k).

Table of values

List of values

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

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

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