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.

A222288 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.

Table of values

n a(n)
1 4
2 44
3 532
4 6619
5 89852
6 1249354
7 17801910
8 256986006
9 3744123550
10 55066210090
11 815041154350
12 12128319606229
13 181260757915998
14 2718723553039248
15 40900893166050078
16 616897705864541974
17 9325074227006211226

List of values

[4, 44, 532, 6619, 89852, 1249354, 17801910, 256986006, 3744123550, 55066210090, 815041154350, 12128319606229, 181260757915998, 2718723553039248, 40900893166050078, 616897705864541974, 9325074227006211226]