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.

A221922 Number of nX2 arrays of occupancy after each element stays put or moves to some king-move neighbor, without move-in move-out straight through or left turns.

Table of values

n a(n)
1 3
2 35
3 350
4 3487
5 34714
6 345744
7 3443699
8 34300167
9 341638088
10 3402798388
11 33892698751
12 337579518956
13 3362374079673
14 33490063280467
15 333569172221123
16 3322430051077535
17 33092211042163927
18 329606467201422876

List of values

[3, 35, 350, 3487, 34714, 345744, 3443699, 34300167, 341638088, 3402798388, 33892698751, 337579518956, 3362374079673, 33490063280467, 333569172221123, 3322430051077535, 33092211042163927, 329606467201422876]

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

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