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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.

A219594 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX7 array.

Table of values

n a(n)
1 28
2 112
3 2415
4 51122
5 939006
6 18945258
7 415752625
8 9020862207
9 186931045741
10 3664369196641

List of values

[28, 112, 2415, 51122, 939006, 18945258, 415752625, 9020862207, 186931045741, 3664369196641]

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

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