A277581 - cp's OEIS frontend

A277581 Goldbach's problem extended to squares of nonnegative differences of primes: smallest integer >= ((A112823(n) - A234345(n))^2)/n for n >= 2.

n	a(n)
2	0
3	0
4	1
5	0
6	1
7	0
8	5
9	2
10	4
11	0
12	1
13	0
14	3
15	2
16	3
17	0
18	1
19	0
20	2
21	1
22	15
23	0
24	5
25	6
26	2
27	3
28	12
29	0
30	1
31	0
32	11
33	2
34	2
35	5
36	3
37	0
38	9
39	1
40	1
41	0
42	1
43	0
44	1
45	1
46	20
47	0
48	3
49	12
50	1
51	6
52	7
53	0
54	4
55	11
56	1
57	2
58	16
59	0
60	1
61	0
62	6
63	2
64	1
65	3
66	2
67	0
68	14
69	1
70	1
71	0
72	1
73	0
74	13
75	1
76	1
77	2
78	2
79	0
80	5
81	1
82	11
83	0
84	2
85	7
86	1
87	10
88	4
89	0

[0, 0, 1, 0, 1, 0, 5, 2, 4, 0, 1, 0, 3, 2, 3, 0, 1, 0, 2, 1, 15, 0, 5, 6, 2, 3, 12, 0, 1, 0, 11, 2, 2, 5, 3, 0, 9, 1, 1, 0, 1, 0, 1, 1, 20, 0, 3, 12, 1, 6, 7, 0, 4, 11, 1, 2, 16, 0, 1, 0, 6, 2, 1, 3, 2, 0, 14, 1, 1, 0, 1, 0, 13, 1, 1, 2, 2, 0, 5, 1, 11, 0, 2, 7, 1, 10, 4, 0]

cp's OEIS Frontend

A277581 Goldbach's problem extended to squares of nonnegative differences of primes: smallest integer >= ((A112823(n) - A234345(n))^2)/n for n >= 2.

Table of values

List of values

n	a(n)
2	0
3	0
4	1
5	0
6	1
7	0
8	5
9	2
10	4
11	0
12	1
13	0
14	3
15	2
16	3
17	0
18	1
19	0
20	2
21	1
22	15
23	0
24	5
25	6
26	2
27	3
28	12
29	0
30	1
31	0
32	11
33	2
34	2
35	5
36	3
37	0
38	9
39	1
40	1
41	0
42	1
43	0
44	1
45	1
46	20
47	0
48	3
49	12
50	1
51	6
52	7
53	0
54	4
55	11
56	1
57	2
58	16
59	0
60	1
61	0
62	6
63	2
64	1
65	3
66	2
67	0
68	14
69	1
70	1
71	0
72	1
73	0
74	13
75	1
76	1
77	2
78	2
79	0
80	5
81	1
82	11
83	0
84	2
85	7
86	1
87	10
88	4
89	0

n	a(n)
2	0
3	0
4	1
5	0
6	1
7	0
8	5
9	2
10	4
11	0
12	1
13	0
14	3
15	2
16	3
17	0
18	1
19	0
20	2
21	1
22	15
23	0
24	5
25	6
26	2
27	3
28	12
29	0
30	1
31	0
32	11
33	2
34	2
35	5
36	3
37	0
38	9
39	1
40	1
41	0
42	1
43	0
44	1
45	1
46	20
47	0
48	3
49	12
50	1
51	6
52	7
53	0
54	4
55	11
56	1
57	2
58	16
59	0
60	1
61	0
62	6
63	2
64	1
65	3
66	2
67	0
68	14
69	1
70	1
71	0
72	1
73	0
74	13
75	1
76	1
77	2
78	2
79	0
80	5
81	1
82	11
83	0
84	2
85	7
86	1
87	10
88	4
89	0

n	a(n)
2	0
3	0
4	1
5	0
6	1
7	0
8	5
9	2
10	4
11	0
12	1
13	0
14	3
15	2
16	3
17	0
18	1
19	0
20	2
21	1
22	15
23	0
24	5
25	6
26	2
27	3
28	12
29	0
30	1
31	0
32	11
33	2
34	2
35	5
36	3
37	0
38	9
39	1
40	1
41	0
42	1
43	0
44	1
45	1
46	20
47	0
48	3
49	12
50	1
51	6
52	7
53	0
54	4
55	11
56	1
57	2
58	16
59	0
60	1
61	0
62	6
63	2
64	1
65	3
66	2
67	0
68	14
69	1
70	1
71	0
72	1
73	0
74	13
75	1
76	1
77	2
78	2
79	0
80	5
81	1
82	11
83	0
84	2
85	7
86	1
87	10
88	4
89	0