A209973 - cp's OEIS frontend

A209973 Number of 2 X 2 matrices having all elements in {0,1,...,n} and determinant 2.

n	a(n)
0	0
1	0
2	12
3	20
4	36
5	52
6	76
7	100
8	132
9	156
10	204
11	244
12	276
13	324
14	396
15	428
16	492
17	556
18	628
19	700
20	764
21	812
22	932
23	1020
24	1084
25	1164
26	1308
27	1380
28	1476
29	1588
30	1684
31	1804
32	1932
33	2012
34	2204
35	2300
36	2396
37	2540
38	2756
39	2852
40	2980
41	3140
42	3284
43	3452
44	3612
45	3708

[0, 0, 12, 20, 36, 52, 76, 100, 132, 156, 204, 244, 276, 324, 396, 428, 492, 556, 628, 700, 764, 812, 932, 1020, 1084, 1164, 1308, 1380, 1476, 1588, 1684, 1804, 1932, 2012, 2204, 2300, 2396, 2540, 2756, 2852, 2980, 3140, 3284, 3452, 3612, 3708]

cp's OEIS Frontend

A209973 Number of 2 X 2 matrices having all elements in {0,1,...,n} and determinant 2.

Table of values

List of values