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.

A298920 Number of n X 4 0..1 arrays with every element equal to 1, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 8
3 2
4 3
5 7
6 6
7 9
8 20
9 22
10 35
11 59
12 90
13 145
14 240
15 378
16 611
17 991
18 1598
19 2585
20 4188
21 6766
22 10947
23 17715
24 28658
25 46369
26 75032
27 121394
28 196419
29 317815
30 514230
31 832041
32 1346276
33 2178310
34 3524579
35 5702891
36 9227466
37 14930353
38 24157824
39 39088170

List of values

[1, 8, 2, 3, 7, 6, 9, 20, 22, 35, 59, 90, 145, 240, 378, 611, 991, 1598, 2585, 4188, 6766, 10947, 17715, 28658, 46369, 75032, 121394, 196419, 317815, 514230, 832041, 1346276, 2178310, 3524579, 5702891, 9227466, 14930353, 24157824, 39088170]