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.

A240283 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.

Table of values

n a(n)
1 8
2 741
3 20764
4 443168
5 13490093
6 281488213
7 8199368365
8 225885684501
9 5291794810655
10 154532568331772
11 3942966914718387
12 100514669722453440
13 2799309114801417209
14 70561458133827649660
15 1875054289432696736342

List of values

[8, 741, 20764, 443168, 13490093, 281488213, 8199368365, 225885684501, 5291794810655, 154532568331772, 3942966914718387, 100514669722453440, 2799309114801417209, 70561458133827649660, 1875054289432696736342]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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