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.

A199243 Number of nX5 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.

Table of values

n a(n)
1 6
2 36
3 110
4 2907
5 29227
6 106134
7 3190670
8 34188947
9 128653588
10 4104988637
11 45715625760
12 175247135865
13 5792733542191
14 65791526001202
15 255708129900506
16 8623880506094423

List of values

[6, 36, 110, 2907, 29227, 106134, 3190670, 34188947, 128653588, 4104988637, 45715625760, 175247135865, 5792733542191, 65791526001202, 255708129900506, 8623880506094423]