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.

A333652 Triangle T(n,k), n >= 2, 0 <= k <= floor(n^2/2)-n, read by rows, where T(n,k) is the number of 2*(k+n)-cycles in the n X n grid graph which pass through NW and SW corners.

Table of values

n a(n)
2 1
3 1
4 3
5 1
6 6
7 17
8 17
9 6
10 1
11 10
12 45
13 167
14 404
15 570
16 460
17 186
18 1
19 15
20 100
21 506
22 2164
23 7726
24 20483
25 39401
26 56015
27 57632
28 37450
29 10340
30 1072
31 1
32 21
33 196
34 1316
35 7066
36 33983
37 147377
38 546400
39 1656592
40 4099732
41 8394433
42 14227675
43 19443270
44 20239262
45 14767415
46 7007270
47 1926990
48 230440

List of values

[1, 1, 3, 1, 6, 17, 17, 6, 1, 10, 45, 167, 404, 570, 460, 186, 1, 15, 100, 506, 2164, 7726, 20483, 39401, 56015, 57632, 37450, 10340, 1072, 1, 21, 196, 1316, 7066, 33983, 147377, 546400, 1656592, 4099732, 8394433, 14227675, 19443270, 20239262, 14767415, 7007270, 1926990, 230440]