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.

A232958 Number of 4Xn 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, and top left element zero.

Table of values

n a(n)
1 64
2 1029
3 27441
4 685251
5 17429409
6 442227825
7 11228712351
8 285082486341
9 7238105184837
10 183771148650939
11 4665845904118053
12 118463173683294573
13 3007712801760687567
14 76364121654785540601
15 1938841730920089921489

List of values

[64, 1029, 27441, 685251, 17429409, 442227825, 11228712351, 285082486341, 7238105184837, 183771148650939, 4665845904118053, 118463173683294573, 3007712801760687567, 76364121654785540601, 1938841730920089921489]

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

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