A238732 - cp's OEIS frontend

A238732 Number of primes p < n with floor((n-p)/3) a square.

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

[0, 0, 1, 2, 2, 3, 3, 3, 2, 2, 1, 2, 1, 3, 4, 4, 3, 3, 3, 3, 3, 2, 2, 3, 3, 2, 2, 1, 2, 4, 5, 5, 4, 4, 3, 3, 1, 2, 2, 3, 3, 4, 3, 4, 4, 4, 2, 3, 2, 4, 5, 4, 3, 3, 5, 4, 4, 3, 3, 4, 4, 3, 3, 3, 4, 4, 3, 3, 3, 3, 4, 5, 4, 4, 4, 3, 3, 4, 5, 6]

cp's OEIS Frontend

A238732 Number of primes p < n with floor((n-p)/3) a square.

Table of values

List of values

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

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

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