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.

A241126 Number of nX3 0..2 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..2 introduced in row major order.

Table of values

n a(n)
1 4
2 54
3 723
4 9773
5 132369
6 1792237
7 24269723
8 328645291
9 4450319537
10 60263615333
11 816054461063
12 11050530322615
13 149639792084929
14 2026334190350265
15 27439427668181531
16 371568616043522567
17 5031563999805819365

List of values

[4, 54, 723, 9773, 132369, 1792237, 24269723, 328645291, 4450319537, 60263615333, 816054461063, 11050530322615, 149639792084929, 2026334190350265, 27439427668181531, 371568616043522567, 5031563999805819365]