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.

A221941 Number of 5Xn arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns.

Table of values

n a(n)
1 1
2 2627
3 376389
4 84547866
5 17626884659
6 3719159201319
7 782051177169672
8 164583386567947853
9 34629683921533060992
10 7286522628060662000197

List of values

[1, 2627, 376389, 84547866, 17626884659, 3719159201319, 782051177169672, 164583386567947853, 34629683921533060992, 7286522628060662000197]

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

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