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.

A221330 Number of 3Xn arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2.

Table of values

n a(n)
1 1
2 99
3 2008
4 46105
5 1010078
6 22181855
7 487335857
8 10702699654
9 234960268184
10 5156938918020
11 113169823744104
12 2483341620801750
13 54490904644158524
14 1195642566518402694
15 26234513648153012228
16 575627427381833999655

List of values

[1, 99, 2008, 46105, 1010078, 22181855, 487335857, 10702699654, 234960268184, 5156938918020, 113169823744104, 2483341620801750, 54490904644158524, 1195642566518402694, 26234513648153012228, 575627427381833999655]