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.

A184567 Number of (n+2)X4 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 102445
2 993538
3 6803631
4 37767705
5 179122657
6 748499580
7 2816118529
8 9696377100
9 30941723282
10 92420016377
11 260446479317
12 696942824390
13 1780351075904
14 4360845287507
15 10280777481167
16 23403139892995

List of values

[102445, 993538, 6803631, 37767705, 179122657, 748499580, 2816118529, 9696377100, 30941723282, 92420016377, 260446479317, 696942824390, 1780351075904, 4360845287507, 10280777481167, 23403139892995]