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.

A220804 Sum of neighbor maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and vertical neighbors in a random 0..3 nX5 array.

Table of values

n a(n)
1 24
2 928
3 30766
4 1048576
5 33358976
6 1073741824
7 34348186888
8 1099436130304

List of values

[24, 928, 30766, 1048576, 33358976, 1073741824, 34348186888, 1099436130304]

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

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