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.

A240005 Number of 6Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.

Table of values

n a(n)
1 156
2 5012
3 83029
4 1225281
5 15981219
6 191691132
7 2090236137
8 20967693050
9 195664738888
10 1709973352188
11 14072972956499
12 109646306877457
13 811882008990473
14 5734156428747664
15 38755892651094582
16 251427858506122705

List of values

[156, 5012, 83029, 1225281, 15981219, 191691132, 2090236137, 20967693050, 195664738888, 1709973352188, 14072972956499, 109646306877457, 811882008990473, 5734156428747664, 38755892651094582, 251427858506122705]