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.

A207245 Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 0 vertically.

Table of values

n a(n)
1 14
2 196
3 882
4 3866
5 13876
6 40838
7 122197
8 323039
9 839664
10 2118081
11 5144235
12 12420899
13 29367779
14 68814825
15 160240695
16 370297213
17 853749771
18 1962554058
19 4505049629
20 10339042120
21 23722711465
22 54465341130
23 125140238149

List of values

[14, 196, 882, 3866, 13876, 40838, 122197, 323039, 839664, 2118081, 5144235, 12420899, 29367779, 68814825, 160240695, 370297213, 853749771, 1962554058, 4505049629, 10339042120, 23722711465, 54465341130, 125140238149]