A227698 - cp's OEIS frontend

A227698 a(n) is the number of ways to form the integer n as (p^2 + q^2 - 2)/24, where p and q are primes > 3 (excluding swaps of p and q).

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

[0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 2, 0, 1, 2, 0, 1, 1, 0, 1, 1, 2, 0, 0, 2, 0, 1, 1, 0, 0, 0, 1, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 1, 0, 2, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 2, 0, 1, 0, 0, 0, 0, 1, 1, 1, 2]

cp's OEIS Frontend

A227698 a(n) is the number of ways to form the integer n as (p^2 + q^2 - 2)/24, where p and q are primes > 3 (excluding swaps of p and q).

Table of values

List of values

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

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

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