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.

A183309 Half the number of nX8 binary arrays with no element equal to a strict majority of its horizontal and vertical neighbors.

Table of values

n a(n)
1 13
2 35
3 452
4 5700
5 94217
6 1447110
7 22504107
8 348871589
9 5406312318
10 83828453334
11 1300167830235
12 20168484726903
13 312884691407215
14 4853992391306949
15 75303212625271575
16 1168225180318165057
17 18123347504407854750

List of values

[13, 35, 452, 5700, 94217, 1447110, 22504107, 348871589, 5406312318, 83828453334, 1300167830235, 20168484726903, 312884691407215, 4853992391306949, 75303212625271575, 1168225180318165057, 18123347504407854750]

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

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