A330487 - cp's OEIS frontend

A330487 Sum of those x(p)*y(p) with p <= n, where p is a prime congruent to 1 modulo 4, and p = x(p)^2 + y(p)^2 with 1 <= x(p) <= y(p).

n	a(n)
1	0
2	0
3	0
4	0
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	8
14	8
15	8
16	8
17	12
18	12
19	12
20	12
21	12
22	12
23	12
24	12
25	12
26	12
27	12
28	12
29	22
30	22
31	22
32	22
33	22
34	22
35	22
36	22
37	28
38	28
39	28
40	28
41	48
42	48
43	48
44	48
45	48
46	48
47	48
48	48
49	48
50	48
51	48
52	48
53	62
54	62
55	62
56	62
57	62
58	62
59	62
60	62
61	92
62	92
63	92
64	92
65	92
66	92
67	92
68	92
69	92
70	92
71	92
72	92
73	116
74	116
75	116
76	116
77	116
78	116
79	116
80	116

[0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 8, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 22, 22, 22, 22, 22, 22, 22, 22, 28, 28, 28, 28, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 62, 62, 62, 62, 62, 62, 62, 62, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 116, 116, 116, 116, 116, 116, 116, 116]

cp's OEIS Frontend

A330487 Sum of those x(p)*y(p) with p <= n, where p is a prime congruent to 1 modulo 4, and p = x(p)^2 + y(p)^2 with 1 <= x(p) <= y(p).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	8
14	8
15	8
16	8
17	12
18	12
19	12
20	12
21	12
22	12
23	12
24	12
25	12
26	12
27	12
28	12
29	22
30	22
31	22
32	22
33	22
34	22
35	22
36	22
37	28
38	28
39	28
40	28
41	48
42	48
43	48
44	48
45	48
46	48
47	48
48	48
49	48
50	48
51	48
52	48
53	62
54	62
55	62
56	62
57	62
58	62
59	62
60	62
61	92
62	92
63	92
64	92
65	92
66	92
67	92
68	92
69	92
70	92
71	92
72	92
73	116
74	116
75	116
76	116
77	116
78	116
79	116
80	116

n	a(n)
1	0
2	0
3	0
4	0
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	8
14	8
15	8
16	8
17	12
18	12
19	12
20	12
21	12
22	12
23	12
24	12
25	12
26	12
27	12
28	12
29	22
30	22
31	22
32	22
33	22
34	22
35	22
36	22
37	28
38	28
39	28
40	28
41	48
42	48
43	48
44	48
45	48
46	48
47	48
48	48
49	48
50	48
51	48
52	48
53	62
54	62
55	62
56	62
57	62
58	62
59	62
60	62
61	92
62	92
63	92
64	92
65	92
66	92
67	92
68	92
69	92
70	92
71	92
72	92
73	116
74	116
75	116
76	116
77	116
78	116
79	116
80	116

n	a(n)
1	0
2	0
3	0
4	0
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	8
14	8
15	8
16	8
17	12
18	12
19	12
20	12
21	12
22	12
23	12
24	12
25	12
26	12
27	12
28	12
29	22
30	22
31	22
32	22
33	22
34	22
35	22
36	22
37	28
38	28
39	28
40	28
41	48
42	48
43	48
44	48
45	48
46	48
47	48
48	48
49	48
50	48
51	48
52	48
53	62
54	62
55	62
56	62
57	62
58	62
59	62
60	62
61	92
62	92
63	92
64	92
65	92
66	92
67	92
68	92
69	92
70	92
71	92
72	92
73	116
74	116
75	116
76	116
77	116
78	116
79	116
80	116