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.

A207365 Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 1 vertically.

Table of values

n a(n)
1 13
2 169
3 624
4 2304
5 5856
6 14884
7 31110
8 65025
9 120105
10 221841
11 375858
12 636804
13 1011864
14 1607824
15 2430756
16 3674889
17 5338845
18 7756225
19 10906060
20 15335056
21 20981928
22 28708164
23 38379354
24 51308569
25 67239081
26 88115769
27 113488830

List of values

[13, 169, 624, 2304, 5856, 14884, 31110, 65025, 120105, 221841, 375858, 636804, 1011864, 1607824, 2430756, 3674889, 5338845, 7756225, 10906060, 15335056, 20981928, 28708164, 38379354, 51308569, 67239081, 88115769, 113488830]