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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.

A217957 Number of n X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..2 n X n array.

Table of values

n a(n)
1 3
2 17
3 835
4 93765
5 48942485
6 87208470529
7 607719550822787
8 15846548046182210151
9 1544189902342193283030363
10 568409335593102223136171917295

List of values

[3, 17, 835, 93765, 48942485, 87208470529, 607719550822787, 15846548046182210151, 1544189902342193283030363, 568409335593102223136171917295]

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

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