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.

A179606 Eight white kings and one red king on a 3 X 3 chessboard. G.f.: (1 + x)/(1 - 3*x - 5*x^2).

Table of values

n a(n)
0 1
1 4
2 17
3 71
4 298
5 1249
6 5237
7 21956
8 92053
9 385939
10 1618082
11 6783941
12 28442233
13 119246404
14 499950377
15 2096083151
16 8788001338
17 36844419769
18 154473265997
19 647641896836
20 2715292020493
21 11384085545659
22 47728716739442

List of values

[1, 4, 17, 71, 298, 1249, 5237, 21956, 92053, 385939, 1618082, 6783941, 28442233, 119246404, 499950377, 2096083151, 8788001338, 36844419769, 154473265997, 647641896836, 2715292020493, 11384085545659, 47728716739442]