A108393 - cp's OEIS frontend

A108393 a(n)=number of primes of the form p^2+k^2 with 2<=k<=floor(sqrt(2*p+1)) (less than (p+1)^2), for every p(n).

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

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

cp's OEIS Frontend

A108393 a(n)=number of primes of the form p^2+k^2 with 2<=k<=floor(sqrt(2*p+1)) (less than (p+1)^2), for every p(n).

Table of values

List of values

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

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

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