A210000 - cp's OEIS frontend

A210000 Number of unimodular 2 X 2 matrices having all terms in {0,1,...,n}.

n	a(n)
0	0
1	6
2	14
3	30
4	46
5	78
6	94
7	142
8	174
9	222
10	254
11	334
12	366
13	462
14	510
15	574
16	638
17	766
18	814
19	958
20	1022
21	1118
22	1198
23	1374
24	1438
25	1598
26	1694
27	1838
28	1934
29	2158
30	2222
31	2462
32	2590
33	2750
34	2878
35	3070
36	3166
37	3454
38	3598
39	3790
40	3918
41	4238
42	4334
43	4670
44	4830

[0, 6, 14, 30, 46, 78, 94, 142, 174, 222, 254, 334, 366, 462, 510, 574, 638, 766, 814, 958, 1022, 1118, 1198, 1374, 1438, 1598, 1694, 1838, 1934, 2158, 2222, 2462, 2590, 2750, 2878, 3070, 3166, 3454, 3598, 3790, 3918, 4238, 4334, 4670, 4830]

cp's OEIS Frontend

A210000 Number of unimodular 2 X 2 matrices having all terms in {0,1,...,n}.

Table of values

List of values