A278377 - cp's OEIS frontend

A278377 Number of 2 X 2 matrices with all elements in {0,1,...,n} and determinant n with no elements repeated.

n	a(n)
0	0
1	0
2	0
3	4
4	8
5	16
6	40
7	36
8	72
9	60
10	128
11	92
12	232
13	144
14	260
15	284
16	332
17	252
18	564
19	324
20	680
21	568
22	696
23	492
24	1184
25	628
26	984
27	964
28	1392
29	796
30	1920
31	924
32	1820
33	1512
34	1752
35	1568
36	2820
37	1380
38	2244
39	2104
40	3340
41	1660
42	3864
43	1900
44	3544
45	3388
46	3300
47	2264
48	5652
49	2632
50	4616

[0, 0, 0, 4, 8, 16, 40, 36, 72, 60, 128, 92, 232, 144, 260, 284, 332, 252, 564, 324, 680, 568, 696, 492, 1184, 628, 984, 964, 1392, 796, 1920, 924, 1820, 1512, 1752, 1568, 2820, 1380, 2244, 2104, 3340, 1660, 3864, 1900, 3544, 3388, 3300, 2264, 5652, 2632, 4616]

cp's OEIS Frontend

A278377 Number of 2 X 2 matrices with all elements in {0,1,...,n} and determinant n with no elements repeated.

Table of values

List of values