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.

A196132 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,3,4 for x=0,1,2,3,4.

Table of values

n a(n)
1 0
2 4
3 3
4 8
5 14
6 19
7 46
8 56
9 133
10 184
11 372
12 599
13 1064
14 1874
15 3147
16 5692
17 9516
18 17053
19 28980
20 51004
21 88089
22 153086
23 266660
24 461205
25 804810
26 1392380
27 2426083
28 4205680
29 7313450
30 12699273
31 22056242
32 38328650
33 66544359
34 115648570
35 200804584

List of values

[0, 4, 3, 8, 14, 19, 46, 56, 133, 184, 372, 599, 1064, 1874, 3147, 5692, 9516, 17053, 28980, 51004, 88089, 153086, 266660, 461205, 804810, 1392380, 2426083, 4205680, 7313450, 12699273, 22056242, 38328650, 66544359, 115648570, 200804584]