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.

A302337 Triangle read by rows: T(n,k) is the number of 2k-cycles in the n X n grid graph (2 <= k <= floor(n^2/2), n >= 2).

Table of values

n a(n)
2 1
3 4
4 4
5 5
6 9
7 12
8 26
9 52
10 76
11 32
12 6
13 16
14 24
15 61
16 164
17 446
18 1100
19 2102
20 2436
21 1874
22 900
23 226
24 25
25 40
26 110
27 332
28 1070
29 3504
30 11144
31 32172
32 77874
33 146680
34 217470
35 255156
36 233786
37 158652
38 69544
39 13732
40 1072
41 36
42 60
43 173
44 556
45 1942
46 7092
47 26424
48 97624
49 346428
50 1136164
51 3313812
52 8342388
53 18064642
54 33777148
55 54661008
56 76165128
57 89790912
58 86547168
59 64626638
60 34785284
61 12527632
62 2677024
63 255088

List of values

[1, 4, 4, 5, 9, 12, 26, 52, 76, 32, 6, 16, 24, 61, 164, 446, 1100, 2102, 2436, 1874, 900, 226, 25, 40, 110, 332, 1070, 3504, 11144, 32172, 77874, 146680, 217470, 255156, 233786, 158652, 69544, 13732, 1072, 36, 60, 173, 556, 1942, 7092, 26424, 97624, 346428, 1136164, 3313812, 8342388, 18064642, 33777148, 54661008, 76165128, 89790912, 86547168, 64626638, 34785284, 12527632, 2677024, 255088]