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.

A233025 Number of nX7 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, vertically, diagonally or antidiagonally, and top left element zero.

Table of values

n a(n)
1 729
2 67449
3 9997413
4 1546718177
5 245698677999
6 39386531523609
7 6338787392715565
8 1021854400935817069
9 164848602838755709211
10 26602184763154679609107
11 4293469218556492461639273

List of values

[729, 67449, 9997413, 1546718177, 245698677999, 39386531523609, 6338787392715565, 1021854400935817069, 164848602838755709211, 26602184763154679609107, 4293469218556492461639273]

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

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