A068197 - cp's OEIS frontend

A068197 Number of squares (of another matrix) in M_2(n) - the ring of 2 X 2 matrices over Z_n.

n	a(n)
1	1
2	10
3	29
4	48
5	223
6	290
7	865
8	344
9	1587
10	2230
11	5341
12	1392
13	10459
14	8650
15	6467
16	3182
17	30745
18	15870
19	48061
20	10704
21	25085
22	53410
23	103489
24	9976
25	108035
26	104590
27	118179
28	41520
29	262291
30	64670
31	342721
32	41736
33	154889
34	307450
35	192895
36	76176
37	696655
38	480610
39	303311
40	76712
41	1051261
42	250850
43	1272349
44	256368
45	353901

[1, 10, 29, 48, 223, 290, 865, 344, 1587, 2230, 5341, 1392, 10459, 8650, 6467, 3182, 30745, 15870, 48061, 10704, 25085, 53410, 103489, 9976, 108035, 104590, 118179, 41520, 262291, 64670, 342721, 41736, 154889, 307450, 192895, 76176, 696655, 480610, 303311, 76712, 1051261, 250850, 1272349, 256368, 353901]

cp's OEIS Frontend

A068197 Number of squares (of another matrix) in M_2(n) - the ring of 2 X 2 matrices over Z_n.

Table of values

List of values