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.

A221691 Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction.

Table of values

n a(n)
1 28
2 11036
3 2627760
4 659020617
5 164441398718
6 41023076707062
7 10233875156794211
8 2553004334803146133
9 636887763097823284411
10 158881831138559422724173
11 39635611567879464460692735

List of values

[28, 11036, 2627760, 659020617, 164441398718, 41023076707062, 10233875156794211, 2553004334803146133, 636887763097823284411, 158881831138559422724173, 39635611567879464460692735]