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.

A230704 Number of (n+3)X(4+3) 0..2 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.

Table of values

n a(n)
1 102
2 800
3 16536
4 121382
5 2382398
6 17497342
7 342031378
8 2508344646
9 49068380730
10 359731738744
11 7037607186036
12 51594009748934
13 1009342929539188
14 7399695276172512
15 144761390761971996
16 1061274191458549174

List of values

[102, 800, 16536, 121382, 2382398, 17497342, 342031378, 2508344646, 49068380730, 359731738744, 7037607186036, 51594009748934, 1009342929539188, 7399695276172512, 144761390761971996, 1061274191458549174]