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.

A233076 Number of n X n 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.

Table of values

n a(n)
1 1
2 14
3 1985
4 1588262
5 6938214854
6 165407945648306
7 21520525142517911969
8 15280137439726087042287674
9 59207172638901578439239726940974
10 1251961921151721201415260511387809535370

List of values

[1, 14, 1985, 1588262, 6938214854, 165407945648306, 21520525142517911969, 15280137439726087042287674, 59207172638901578439239726940974, 1251961921151721201415260511387809535370]

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

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