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.

A202094 Number of (n+2) X 4 binary arrays avoiding patterns 001 and 011 in rows and columns.

Table of values

n a(n)
1 324
2 1296
3 3600
4 10000
5 22500
6 50625
7 99225
8 194481
9 345744
10 614656
11 1016064
12 1679616
13 2624400
14 4100625
15 6125625
16 9150625
17 13176900
18 18974736
19 26501904
20 37015056
21 50381604
22 68574961
23 91298025
24 121550625
25 158760000
26 207360000

List of values

[324, 1296, 3600, 10000, 22500, 50625, 99225, 194481, 345744, 614656, 1016064, 1679616, 2624400, 4100625, 6125625, 9150625, 13176900, 18974736, 26501904, 37015056, 50381604, 68574961, 91298025, 121550625, 158760000, 207360000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.