A240547 - cp's OEIS frontend

A240547 Number of non-congruent solutions of x^2 + y^2 + z^2 + t^2 == 0 mod n.

n	a(n)
1	1
2	8
3	33
4	32
5	145
6	264
7	385
8	128
9	945
10	1160
11	1441
12	1056
13	2353
14	3080
15	4785
16	512
17	5185
18	7560
19	7201
20	4640
21	12705
22	11528
23	12673
24	4224
25	18625
26	18824
27	26001
28	12320
29	25201
30	38280
31	30721
32	2048
33	47553
34	41480
35	55825
36	30240
37	51985
38	57608
39	77649
40	18560
41	70561
42	101640

[1, 8, 33, 32, 145, 264, 385, 128, 945, 1160, 1441, 1056, 2353, 3080, 4785, 512, 5185, 7560, 7201, 4640, 12705, 11528, 12673, 4224, 18625, 18824, 26001, 12320, 25201, 38280, 30721, 2048, 47553, 41480, 55825, 30240, 51985, 57608, 77649, 18560, 70561, 101640]

cp's OEIS Frontend

A240547 Number of non-congruent solutions of x^2 + y^2 + z^2 + t^2 == 0 mod n.

Table of values

List of values