A161911 - cp's OEIS frontend

A161911 a(n) is the n-th difference between consecutive primes minus the number of divisors of n.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	3
10	-2
11	4
12	-2
13	0
14	0
15	2
16	1
17	0
18	0
19	2
20	-4
21	2
22	0
23	4
24	0
25	1
26	-2
27	0
28	-4
29	2
30	6
31	2
32	0
33	-2
34	6
35	-2
36	-3
37	4
38	0
39	2
40	-2
41	0
42	2
43	0
44	-2
45	-4
46	8
47	10
48	-6
49	-1
50	-2
51	2
52	-4
53	8
54	-2
55	2
56	-2
57	-2
58	2
59	2
60	-10
61	8
62	10
63	-2
64	-5
65	0
66	6
67	4
68	4
69	-2
70	-4
71	4
72	-4
73	4
74	2
75	-2
76	0
77	4
78	-4
79	6
80	0
81	-3
82	6
83	0
84	-6
85	0
86	2
87	4
88	-4

[0, 0, 0, 1, 0, 0, 0, 0, 3, -2, 4, -2, 0, 0, 2, 1, 0, 0, 2, -4, 2, 0, 4, 0, 1, -2, 0, -4, 2, 6, 2, 0, -2, 6, -2, -3, 4, 0, 2, -2, 0, 2, 0, -2, -4, 8, 10, -6, -1, -2, 2, -4, 8, -2, 2, -2, -2, 2, 2, -10, 8, 10, -2, -5, 0, 6, 4, 4, -2, -4, 4, -4, 4, 2, -2, 0, 4, -4, 6, 0, -3, 6, 0, -6, 0, 2, 4, -4]

cp's OEIS Frontend

A161911 a(n) is the n-th difference between consecutive primes minus the number of divisors of n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	3
10	-2
11	4
12	-2
13	0
14	0
15	2
16	1
17	0
18	0
19	2
20	-4
21	2
22	0
23	4
24	0
25	1
26	-2
27	0
28	-4
29	2
30	6
31	2
32	0
33	-2
34	6
35	-2
36	-3
37	4
38	0
39	2
40	-2
41	0
42	2
43	0
44	-2
45	-4
46	8
47	10
48	-6
49	-1
50	-2
51	2
52	-4
53	8
54	-2
55	2
56	-2
57	-2
58	2
59	2
60	-10
61	8
62	10
63	-2
64	-5
65	0
66	6
67	4
68	4
69	-2
70	-4
71	4
72	-4
73	4
74	2
75	-2
76	0
77	4
78	-4
79	6
80	0
81	-3
82	6
83	0
84	-6
85	0
86	2
87	4
88	-4

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	3
10	-2
11	4
12	-2
13	0
14	0
15	2
16	1
17	0
18	0
19	2
20	-4
21	2
22	0
23	4
24	0
25	1
26	-2
27	0
28	-4
29	2
30	6
31	2
32	0
33	-2
34	6
35	-2
36	-3
37	4
38	0
39	2
40	-2
41	0
42	2
43	0
44	-2
45	-4
46	8
47	10
48	-6
49	-1
50	-2
51	2
52	-4
53	8
54	-2
55	2
56	-2
57	-2
58	2
59	2
60	-10
61	8
62	10
63	-2
64	-5
65	0
66	6
67	4
68	4
69	-2
70	-4
71	4
72	-4
73	4
74	2
75	-2
76	0
77	4
78	-4
79	6
80	0
81	-3
82	6
83	0
84	-6
85	0
86	2
87	4
88	-4

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	3
10	-2
11	4
12	-2
13	0
14	0
15	2
16	1
17	0
18	0
19	2
20	-4
21	2
22	0
23	4
24	0
25	1
26	-2
27	0
28	-4
29	2
30	6
31	2
32	0
33	-2
34	6
35	-2
36	-3
37	4
38	0
39	2
40	-2
41	0
42	2
43	0
44	-2
45	-4
46	8
47	10
48	-6
49	-1
50	-2
51	2
52	-4
53	8
54	-2
55	2
56	-2
57	-2
58	2
59	2
60	-10
61	8
62	10
63	-2
64	-5
65	0
66	6
67	4
68	4
69	-2
70	-4
71	4
72	-4
73	4
74	2
75	-2
76	0
77	4
78	-4
79	6
80	0
81	-3
82	6
83	0
84	-6
85	0
86	2
87	4
88	-4