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.

A219887 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array.

Table of values

n a(n)
1 28
2 151
3 1069
4 10350
5 89795
6 764027
7 6337533
8 51044999
9 398508546
10 2994521086

List of values

[28, 151, 1069, 10350, 89795, 764027, 6337533, 51044999, 398508546, 2994521086]

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

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