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.

A186853 Number of 4-step knight's tours on an (n+2) X (n+2) board summed over all starting positions.

Table of values

n a(n)
1 16
2 208
3 976
4 2576
5 5056
6 8320
7 12368
8 17200
9 22816
10 29216
11 36400
12 44368
13 53120
14 62656
15 72976
16 84080
17 95968
18 108640
19 122096
20 136336
21 151360
22 167168
23 183760
24 201136
25 219296
26 238240
27 257968
28 278480
29 299776
30 321856
31 344720
32 368368
33 392800

List of values

[16, 208, 976, 2576, 5056, 8320, 12368, 17200, 22816, 29216, 36400, 44368, 53120, 62656, 72976, 84080, 95968, 108640, 122096, 136336, 151360, 167168, 183760, 201136, 219296, 238240, 257968, 278480, 299776, 321856, 344720, 368368, 392800]