A209976 - cp's OEIS frontend

A209976 Number of 2 X 2 matrices having all elements in {0,1,...,n} and determinant 4.

n	a(n)
0	0
1	0
2	5
3	11
4	43
5	59
6	83
7	107
8	155
9	179
10	227
11	267
12	331
13	379
14	451
15	483
16	579
17	643
18	715
19	787
20	915
21	963
22	1083
23	1171
24	1267
25	1347
26	1491
27	1563
28	1755
29	1867
30	1963
31	2083
32	2275
33	2355
34	2547
35	2643
36	2835
37	2979
38	3195
39	3291
40	3483
41	3643
42	3787
43	3955
44	4275
45	4371

[0, 0, 5, 11, 43, 59, 83, 107, 155, 179, 227, 267, 331, 379, 451, 483, 579, 643, 715, 787, 915, 963, 1083, 1171, 1267, 1347, 1491, 1563, 1755, 1867, 1963, 2083, 2275, 2355, 2547, 2643, 2835, 2979, 3195, 3291, 3483, 3643, 3787, 3955, 4275, 4371]

cp's OEIS Frontend

A209976 Number of 2 X 2 matrices having all elements in {0,1,...,n} and determinant 4.

Table of values

List of values