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.

A186089 Number of (n+2)X4 0..4 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 1252889
2 22559052
3 280102672
4 2743553694
5 22408644868
6 157927508610
7 983600385660
8 5510351270895
9 28148281162513
10 132536596243411
11 580315278868317
12 2380269230618654
13 9202746397302837
14 33716548041703337

List of values

[1252889, 22559052, 280102672, 2743553694, 22408644868, 157927508610, 983600385660, 5510351270895, 28148281162513, 132536596243411, 580315278868317, 2380269230618654, 9202746397302837, 33716548041703337]