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.

A267642 Number of nX6 0..1 arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order.

Table of values

n a(n)
1 11
2 242
3 1353
4 12623
5 47715
6 343145
7 1117207
8 7479533
9 22499181
10 150415627
11 429242911
12 2954085199
13 8086558295
14 58043181513
15 153186588731
16 1151896473495
17 2939148319421
18 23154681921613
19 57239339798173
20 471401152901559

List of values

[11, 242, 1353, 12623, 47715, 343145, 1117207, 7479533, 22499181, 150415627, 429242911, 2954085199, 8086558295, 58043181513, 153186588731, 1151896473495, 2939148319421, 23154681921613, 57239339798173, 471401152901559]

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

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