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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.

A068749 Number of potential flows in n X n array with integer velocities in -2..2, i.e., number of n X n arrays with adjacent elements differing by no more than 2, counting arrays differing by a constant only once.

Table of values

n a(n)
1 1
2 85
3 87825
4 1133641543
5 184422574177355
6 379827509377146575439
7 9928923943603018785634645661

List of values

[1, 85, 87825, 1133641543, 184422574177355, 379827509377146575439, 9928923943603018785634645661]

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

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