A210283 - cp's OEIS frontend

A210283 Number of 2 X 2 matrices with all elements in {0,1,...,n} and determinant n-1.

n	a(n)
0	0
1	10
2	7
3	20
4	29
5	59
6	53
7	126
8	91
9	185
10	172
11	274
12	179
13	481
14	245
15	456
16	492
17	672
18	383
19	948
20	479
21	1097
22	870
23	1030
24	669
25	1864
26	980
27	1376
28	1354
29	2017
30	1029
31	2768
32	1201
33	2508
34	1984
35	2260
36	2090
37	4124
38	1667
39	2790
40	2682
41	4538
42	2009
43	5068
44	2243
45	4519

[0, 10, 7, 20, 29, 59, 53, 126, 91, 185, 172, 274, 179, 481, 245, 456, 492, 672, 383, 948, 479, 1097, 870, 1030, 669, 1864, 980, 1376, 1354, 2017, 1029, 2768, 1201, 2508, 1984, 2260, 2090, 4124, 1667, 2790, 2682, 4538, 2009, 5068, 2243, 4519]

cp's OEIS Frontend

A210283 Number of 2 X 2 matrices with all elements in {0,1,...,n} and determinant n-1.

Table of values

List of values