A210379 - cp's OEIS frontend

A210379 Number of 2 X 2 matrices with all terms in {0,1,...,n} and odd trace.

n	a(n)
0	0
1	8
2	36
3	128
4	300
5	648
6	1176
7	2048
8	3240
9	5000
10	7260
11	10368
12	14196
13	19208
14	25200
15	32768
16	41616
17	52488
18	64980
19	80000
20	97020
21	117128
22	139656
23	165888
24	195000
25	228488
26	265356
27	307328
28	353220
29	405000
30	461280
31	524288
32	592416
33	668168

[0, 8, 36, 128, 300, 648, 1176, 2048, 3240, 5000, 7260, 10368, 14196, 19208, 25200, 32768, 41616, 52488, 64980, 80000, 97020, 117128, 139656, 165888, 195000, 228488, 265356, 307328, 353220, 405000, 461280, 524288, 592416, 668168]

cp's OEIS Frontend

A210379 Number of 2 X 2 matrices with all terms in {0,1,...,n} and odd trace.

Table of values

List of values