A316148 - cp's OEIS frontend

A316148 Number of non-congruent solutions of x^2+y^2 == z^2+w^2 (mod n).

n	a(n)
1	1
2	8
3	33
4	96
5	145
6	264
7	385
8	896
9	945
10	1160
11	1441
12	3168
13	2353
14	3080
15	4785
16	7680
17	5185
18	7560
19	7201
20	13920
21	12705
22	11528
23	12673
24	29568
25	18625
26	18824
27	26001
28	36960
29	25201
30	38280
31	30721
32	63488
33	47553
34	41480
35	55825
36	90720
37	51985
38	57608
39	77649
40	129920
41	70561
42	101640
43	81313

[1, 8, 33, 96, 145, 264, 385, 896, 945, 1160, 1441, 3168, 2353, 3080, 4785, 7680, 5185, 7560, 7201, 13920, 12705, 11528, 12673, 29568, 18625, 18824, 26001, 36960, 25201, 38280, 30721, 63488, 47553, 41480, 55825, 90720, 51985, 57608, 77649, 129920, 70561, 101640, 81313]

cp's OEIS Frontend

A316148 Number of non-congruent solutions of x^2+y^2 == z^2+w^2 (mod n).

Table of values

List of values