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.

A280067 Number of nX6 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 5
2 19
3 104
4 603
5 3729
6 23564
7 145485
8 915505
9 5786757
10 36671797
11 233383456
12 1487001440
13 9487581421
14 60571549809
15 386914206005
16 2472215283933
17 15799867880212
18 100989585485103
19 645564463469368
20 4126929495349807

List of values

[5, 19, 104, 603, 3729, 23564, 145485, 915505, 5786757, 36671797, 233383456, 1487001440, 9487581421, 60571549809, 386914206005, 2472215283933, 15799867880212, 100989585485103, 645564463469368, 4126929495349807]

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

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