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.

A196332 Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,3,1,2 for x=0,1,2,3,4.

Table of values

n a(n)
1 4
2 8
3 7
4 50
5 111
6 259
7 744
8 1840
9 4761
10 12491
11 33073
12 86147
13 225519
14 592444
15 1548876
16 4064416
17 10672675
18 27999791
19 73482986
20 192857345
21 506140823
22 1328448433
23 3487163834
24 9153779129
25 24028409740
26 63075279907
27 165574433166
28 434640853456

List of values

[4, 8, 7, 50, 111, 259, 744, 1840, 4761, 12491, 33073, 86147, 225519, 592444, 1548876, 4064416, 10672675, 27999791, 73482986, 192857345, 506140823, 1328448433, 3487163834, 9153779129, 24028409740, 63075279907, 165574433166, 434640853456]

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

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