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.

A179602 Eight white kings and one red king on a 3 X 3 chessboard. G.f.: (1 + 2*x)/(1 - 3*x - 7*x^2).

Table of values

n a(n)
0 1
1 5
2 22
3 101
4 457
5 2078
6 9433
7 42845
8 194566
9 883613
10 4012801
11 18223694
12 82760689
13 375847925
14 1706868598
15 7751541269
16 35202703993
17 159868900862
18 726025630537
19 3297159197645
20 14973657006694
21 68001085403597
22 308818855257649

List of values

[1, 5, 22, 101, 457, 2078, 9433, 42845, 194566, 883613, 4012801, 18223694, 82760689, 375847925, 1706868598, 7751541269, 35202703993, 159868900862, 726025630537, 3297159197645, 14973657006694, 68001085403597, 308818855257649]