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.

A203099 Number of nX6 0..3 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.

Table of values

n a(n)
1 422
2 1705124
3 3790420430
4 7574530822364
5 15712898935252156
6 32766523337754473494
7 68145439667266350435686
8 141695919109060311625392330
9 294680177794961913094327501892

List of values

[422, 1705124, 3790420430, 7574530822364, 15712898935252156, 32766523337754473494, 68145439667266350435686, 141695919109060311625392330, 294680177794961913094327501892]

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

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