A281315 - cp's OEIS frontend

A281315 Number of 2 X 2 matrices with all elements in {0,...,n} and prime determinant.

n	a(n)
0	0
1	0
2	13
3	46
4	83
5	191
6	272
7	509
8	687
9	1010
10	1291
11	2019
12	2364
13	3468
14	4132
15	5079
16	6072
17	8298
18	9234
19	12189
20	13621
21	15984
22	18095
23	22965
24	24886
25	29942
26	33248
27	38385
28	42073
29	51053
30	53882
31	64609
32	70619
33	78663
34	85424
35	96024
36	101521
37	118804
38	127940
39	140598
40	149375
41	172123
42	179424
43	205334
44	218216

[0, 0, 13, 46, 83, 191, 272, 509, 687, 1010, 1291, 2019, 2364, 3468, 4132, 5079, 6072, 8298, 9234, 12189, 13621, 15984, 18095, 22965, 24886, 29942, 33248, 38385, 42073, 51053, 53882, 64609, 70619, 78663, 85424, 96024, 101521, 118804, 127940, 140598, 149375, 172123, 179424, 205334, 218216]

cp's OEIS Frontend

A281315 Number of 2 X 2 matrices with all elements in {0,...,n} and prime determinant.

Table of values

List of values