A056931 - cp's OEIS frontend

A056931 Difference between n-th oblong (promic) number, n(n+1), and the average of the smallest prime greater than n^2 and the largest prime less than (n+1)^2.

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

[0, 0, 0, 0, 0, -1, -1, 0, 3, -1, -2, -1, 0, 1, 2, 1, -3, -2, 0, 1, 1, -4, 2, -2, 0, 3, -1, 0, 0, -2, -3, 0, -3, 0, 0, 0, 3, 0, 5, -4, -6, -5, -3, 0, -6, 1, -2, 6, 2, -2, 1, -2, 0, 1, 9, 0, 2, -2, -3, 2, -1, -9, 1, 1, 2, -1, -6, -6, -1, -3, 0, 0, 0, 6, -1, -3, 3, -2, -7, 1, -2, 1, 2, -1, -4]

cp's OEIS Frontend

A056931 Difference between n-th oblong (promic) number, n(n+1), and the average of the smallest prime greater than n^2 and the largest prime less than (n+1)^2.

Table of values

List of values

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

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

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