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.

A187303 Number of 8-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions.

Table of values

n a(n)
1 0
2 0
3 72
4 2028
5 12778
6 37124
7 81362
8 145100
9 231552
10 338044
11 465734
12 613212
13 780752
14 968044
15 1175118
16 1401948
17 1648534
18 1914876
19 2200974
20 2506828
21 2832438
22 3177804
23 3542926
24 3927804
25 4332438
26 4756828
27 5200974
28 5664876
29 6148534
30 6651948
31 7175118

List of values

[0, 0, 72, 2028, 12778, 37124, 81362, 145100, 231552, 338044, 465734, 613212, 780752, 968044, 1175118, 1401948, 1648534, 1914876, 2200974, 2506828, 2832438, 3177804, 3542926, 3927804, 4332438, 4756828, 5200974, 5664876, 6148534, 6651948, 7175118]