A072680 - cp's OEIS frontend

A072680 Difference between (least prime >= n) and (largest prime <= n).

n	a(n)
2	0
3	0
4	2
5	0
6	2
7	0
8	4
9	4
10	4
11	0
12	2
13	0
14	4
15	4
16	4
17	0
18	2
19	0
20	4
21	4
22	4
23	0
24	6
25	6
26	6
27	6
28	6
29	0
30	2
31	0
32	6
33	6
34	6
35	6
36	6
37	0
38	4
39	4
40	4
41	0
42	2
43	0
44	4
45	4
46	4
47	0
48	6
49	6
50	6
51	6
52	6
53	0
54	6
55	6
56	6
57	6
58	6
59	0
60	2
61	0
62	6
63	6
64	6
65	6
66	6
67	0
68	4
69	4
70	4
71	0
72	2
73	0
74	6
75	6
76	6
77	6
78	6
79	0
80	4
81	4
82	4
83	0
84	6
85	6
86	6
87	6
88	6
89	0
90	8
91	8
92	8
93	8
94	8
95	8
96	8
97	0
98	4
99	4
100	4
101	0
102	2
103	0
104	4
105	4
106	4

[0, 0, 2, 0, 2, 0, 4, 4, 4, 0, 2, 0, 4, 4, 4, 0, 2, 0, 4, 4, 4, 0, 6, 6, 6, 6, 6, 0, 2, 0, 6, 6, 6, 6, 6, 0, 4, 4, 4, 0, 2, 0, 4, 4, 4, 0, 6, 6, 6, 6, 6, 0, 6, 6, 6, 6, 6, 0, 2, 0, 6, 6, 6, 6, 6, 0, 4, 4, 4, 0, 2, 0, 6, 6, 6, 6, 6, 0, 4, 4, 4, 0, 6, 6, 6, 6, 6, 0, 8, 8, 8, 8, 8, 8, 8, 0, 4, 4, 4, 0, 2, 0, 4, 4, 4]

cp's OEIS Frontend

A072680 Difference between (least prime >= n) and (largest prime <= n).

Table of values

List of values

n	a(n)
2	0
3	0
4	2
5	0
6	2
7	0
8	4
9	4
10	4
11	0
12	2
13	0
14	4
15	4
16	4
17	0
18	2
19	0
20	4
21	4
22	4
23	0
24	6
25	6
26	6
27	6
28	6
29	0
30	2
31	0
32	6
33	6
34	6
35	6
36	6
37	0
38	4
39	4
40	4
41	0
42	2
43	0
44	4
45	4
46	4
47	0
48	6
49	6
50	6
51	6
52	6
53	0
54	6
55	6
56	6
57	6
58	6
59	0
60	2
61	0
62	6
63	6
64	6
65	6
66	6
67	0
68	4
69	4
70	4
71	0
72	2
73	0
74	6
75	6
76	6
77	6
78	6
79	0
80	4
81	4
82	4
83	0
84	6
85	6
86	6
87	6
88	6
89	0
90	8
91	8
92	8
93	8
94	8
95	8
96	8
97	0
98	4
99	4
100	4
101	0
102	2
103	0
104	4
105	4
106	4

n	a(n)
2	0
3	0
4	2
5	0
6	2
7	0
8	4
9	4
10	4
11	0
12	2
13	0
14	4
15	4
16	4
17	0
18	2
19	0
20	4
21	4
22	4
23	0
24	6
25	6
26	6
27	6
28	6
29	0
30	2
31	0
32	6
33	6
34	6
35	6
36	6
37	0
38	4
39	4
40	4
41	0
42	2
43	0
44	4
45	4
46	4
47	0
48	6
49	6
50	6
51	6
52	6
53	0
54	6
55	6
56	6
57	6
58	6
59	0
60	2
61	0
62	6
63	6
64	6
65	6
66	6
67	0
68	4
69	4
70	4
71	0
72	2
73	0
74	6
75	6
76	6
77	6
78	6
79	0
80	4
81	4
82	4
83	0
84	6
85	6
86	6
87	6
88	6
89	0
90	8
91	8
92	8
93	8
94	8
95	8
96	8
97	0
98	4
99	4
100	4
101	0
102	2
103	0
104	4
105	4
106	4

n	a(n)
2	0
3	0
4	2
5	0
6	2
7	0
8	4
9	4
10	4
11	0
12	2
13	0
14	4
15	4
16	4
17	0
18	2
19	0
20	4
21	4
22	4
23	0
24	6
25	6
26	6
27	6
28	6
29	0
30	2
31	0
32	6
33	6
34	6
35	6
36	6
37	0
38	4
39	4
40	4
41	0
42	2
43	0
44	4
45	4
46	4
47	0
48	6
49	6
50	6
51	6
52	6
53	0
54	6
55	6
56	6
57	6
58	6
59	0
60	2
61	0
62	6
63	6
64	6
65	6
66	6
67	0
68	4
69	4
70	4
71	0
72	2
73	0
74	6
75	6
76	6
77	6
78	6
79	0
80	4
81	4
82	4
83	0
84	6
85	6
86	6
87	6
88	6
89	0
90	8
91	8
92	8
93	8
94	8
95	8
96	8
97	0
98	4
99	4
100	4
101	0
102	2
103	0
104	4
105	4
106	4