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.

A183818 1/81 the number of (n+1)X8 0..2 arrays with no 2X2 subblock being a reflection across the shared element pair of any horizontal or vertical neighbor.

Table of values

n a(n)
1 262144
2 536415300
3 1050517114472
4 2096961683069192
5 4156740912572653752

List of values

[262144, 536415300, 1050517114472, 2096961683069192, 4156740912572653752]

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

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