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.

A196453 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,4,1 for x=0,1,2,3,4.

Table of values

n a(n)
1 8
2 67
3 383
4 2930
5 27320
6 249402
7 2032584
8 15952022
9 128543371
10 1060801262
11 8803139813
12 72685286254
13 596527548372
14 4887671652328
15 40110935638661
16 329698087638675
17 2710883854573401
18 22279902843871853
19 183037488877957616

List of values

[8, 67, 383, 2930, 27320, 249402, 2032584, 15952022, 128543371, 1060801262, 8803139813, 72685286254, 596527548372, 4887671652328, 40110935638661, 329698087638675, 2710883854573401, 22279902843871853, 183037488877957616]

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

Content is available under The OEIS End-User License Agreement.