A210284 - cp's OEIS frontend

A210284 Number of 2 X 2 matrices with all elements in {0,1,...,n} and determinant n+1.

n	a(n)
0	0
1	0
2	1
3	11
4	9
5	42
6	23
7	81
8	72
9	126
10	79
11	273
12	121
13	268
14	280
15	416
16	227
17	624
18	299
19	761
20	570
21	690
22	457
23	1384
24	672
25	1004
26	982
27	1489
28	769
29	2108
30	893
31	1980
32	1500
33	1768
34	1574
35	3308
36	1303
37	2250
38	2118
39	3658
40	1637
41	4120
42	1823
43	3751
44	3527
45	3320

[0, 0, 1, 11, 9, 42, 23, 81, 72, 126, 79, 273, 121, 268, 280, 416, 227, 624, 299, 761, 570, 690, 457, 1384, 672, 1004, 982, 1489, 769, 2108, 893, 1980, 1500, 1768, 1574, 3308, 1303, 2250, 2118, 3658, 1637, 4120, 1823, 3751, 3527, 3320]

cp's OEIS Frontend

A210284 Number of 2 X 2 matrices with all elements in {0,1,...,n} and determinant n+1.

Table of values

List of values