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.

A196433 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,0,3,4 for x=0,1,2,3,4.

Table of values

n a(n)
1 6
2 41
3 213
4 1283
5 7358
6 42604
7 246463
8 1427278
9 8257394
10 47782109
11 276548288
12 1600318316
13 9261110693
14 53594650946
15 310152403800
16 1794861048704
17 10386914552975
18 60109320907593
19 347854219621911
20 2013041621414557

List of values

[6, 41, 213, 1283, 7358, 42604, 246463, 1427278, 8257394, 47782109, 276548288, 1600318316, 9261110693, 53594650946, 310152403800, 1794861048704, 10386914552975, 60109320907593, 347854219621911, 2013041621414557]

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

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