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.

A269292 Number of 4Xn 0..3 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling three no more than once.

Table of values

n a(n)
1 256
2 29160
3 1698732
4 87559668
5 4204943820
6 193446959076
7 8642330207532
8 377958654569412
9 16263720330382476
10 690974658284107428
11 29056221832723692012
12 1211537520551702429316
13 50159175757694154381132

List of values

[256, 29160, 1698732, 87559668, 4204943820, 193446959076, 8642330207532, 377958654569412, 16263720330382476, 690974658284107428, 29056221832723692012, 1211537520551702429316, 50159175757694154381132]

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

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