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.

A213426 Irregular array T(n,k) of numbers/2 of non-extendable (complete) non-self-adjacent simple paths of each length within a square lattice bounded by rectangles with nodal dimensions n and 9, n >= 2.

Table of values

n a(n)
2 4
3 4
4 6
5 10
6 14
7 20
8 30
9 44
10 60
11 60
12 28
13 2
14 4
15 8
16 16
17 22
18 54
19 70
20 152
21 238
22 416
23 574
24 810
25 642
26 760
27 456
28 320
29 136
30 72
31 8
32 4
33 8
34 20
35 40
36 84
37 126
38 268
39 418
40 1014
41 1450
42 2890
43 3510
44 5474
45 5286
46 7238
47 6926
48 8218
49 5636
50 6754
51 2956
52 4220
53 778
54 48

List of values

[4, 4, 6, 10, 14, 20, 30, 44, 60, 60, 28, 2, 4, 8, 16, 22, 54, 70, 152, 238, 416, 574, 810, 642, 760, 456, 320, 136, 72, 8, 4, 8, 20, 40, 84, 126, 268, 418, 1014, 1450, 2890, 3510, 5474, 5286, 7238, 6926, 8218, 5636, 6754, 2956, 4220, 778, 48]