A211053 - cp's OEIS frontend

A211053 Number of 2 X 2 matrices having all terms in {1,...,n} and determinant n.

n	a(n)
1	0
2	2
3	7
4	16
5	23
6	50
7	45
8	93
9	99
10	150
11	117
12	283
13	167
14	308
15	336
16	443
17	289
18	654
19	369
20	803
21	658
22	762
23	543
24	1392
25	779
26	1092
27	1086
28	1563
29	879
30	2160
31	1011
32	2038
33	1652
34	1888
35	1758
36	3323
37	1445
38	2386
39	2302
40	3730
41	1795
42	4220
43	1989
44	3889
45	3737

[0, 2, 7, 16, 23, 50, 45, 93, 99, 150, 117, 283, 167, 308, 336, 443, 289, 654, 369, 803, 658, 762, 543, 1392, 779, 1092, 1086, 1563, 879, 2160, 1011, 2038, 1652, 1888, 1758, 3323, 1445, 2386, 2302, 3730, 1795, 4220, 1989, 3889, 3737]

cp's OEIS Frontend

A211053 Number of 2 X 2 matrices having all terms in {1,...,n} and determinant n.

Table of values

List of values