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.

A204543 Number of (n+1)X2 0..1 arrays with permanents of 2X2 subblocks differing from neighboring permanents.

Table of values

n a(n)
1 16
2 26
3 41
4 56
5 80
6 112
7 162
8 224
9 322
10 448
11 646
12 896
13 1290
14 1792
15 2582
16 3584
17 5162
18 7168
19 10326
20 14336
21 20650
22 28672
23 41302
24 57344
25 82602
26 114688
27 165206
28 229376
29 330410
30 458752
31 660822
32 917504
33 1321642
34 1835008
35 2643286
36 3670016
37 5286570

List of values

[16, 26, 41, 56, 80, 112, 162, 224, 322, 448, 646, 896, 1290, 1792, 2582, 3584, 5162, 7168, 10326, 14336, 20650, 28672, 41302, 57344, 82602, 114688, 165206, 229376, 330410, 458752, 660822, 917504, 1321642, 1835008, 2643286, 3670016, 5286570]