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.

A179599 Eight white kings and one red king on a 3 X 3 chessboard. G.f.: (1 + 4*x)/(1 - 3*x - 8*x^2).

Table of values

n a(n)
0 1
1 7
2 29
3 143
4 661
5 3127
6 14669
7 69023
8 324421
9 1525447
10 7171709
11 33718703
12 158529781
13 745338967
14 3504255149
15 16475477183
16 77460472741
17 364185235687
18 1712239488989
19 8050200352463
20 37848516969301
21 177947153727607

List of values

[1, 7, 29, 143, 661, 3127, 14669, 69023, 324421, 1525447, 7171709, 33718703, 158529781, 745338967, 3504255149, 16475477183, 77460472741, 364185235687, 1712239488989, 8050200352463, 37848516969301, 177947153727607]