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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.

A200900 Number of nX6 0..5 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

Table of values

n a(n)
1 20
2 1483
3 142698
4 18172239
5 2162004143

List of values

[20, 1483, 142698, 18172239, 2162004143]

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

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