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.

A180037 Eight white queens and one red queen on a 3 X 3 chessboard. G.f.: (1+x)/(1-5*x-2*x^2).

Table of values

n a(n)
0 1
1 6
2 32
3 172
4 924
5 4964
6 26668
7 143268
8 769676
9 4134916
10 22213932
11 119339492
12 641125324
13 3444305604
14 18503778668
15 99407504548
16 534045080076
17 2869040409476
18 15413292207532
19 82804541856612
20 444849293698124

List of values

[1, 6, 32, 172, 924, 4964, 26668, 143268, 769676, 4134916, 22213932, 119339492, 641125324, 3444305604, 18503778668, 99407504548, 534045080076, 2869040409476, 15413292207532, 82804541856612, 444849293698124]