cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A210370 Number of 2 X 2 matrices with all elements in {0,1,...,n} and odd determinant.

Table of values

n a(n)
0 0
1 6
2 16
3 96
4 168
5 486
6 720
7 1536
8 2080
9 3750
10 4800
11 7776
12 9576
13 14406
14 17248
15 24576
16 28800
17 39366
18 45360
19 60000
20 68200
21 87846
22 98736
23 124416
24 138528
25 171366
26 189280
27 230496
28 252840
29 303750
30 331200
31 393216
32 426496
33 501126
34 541008
35 629856
36 677160
37 781926
38 837520

List of values

[0, 6, 16, 96, 168, 486, 720, 1536, 2080, 3750, 4800, 7776, 9576, 14406, 17248, 24576, 28800, 39366, 45360, 60000, 68200, 87846, 98736, 124416, 138528, 171366, 189280, 230496, 252840, 303750, 331200, 393216, 426496, 501126, 541008, 629856, 677160, 781926, 837520]