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.

A183449 Number of nX8 binary arrays with every 1 having exactly two king-move neighbors equal to 1.

Table of values

n a(n)
1 1
2 253
3 1505
4 7761
5 176949
6 1817225
7 16192521
8 216103851
9 2491241396
10 26807184942
11 319246780548
12 3727927654904
13 42498891259325
14 496063346878031
15 5787799084661820
16 67059980281582582
17 780988033705277709

List of values

[1, 253, 1505, 7761, 176949, 1817225, 16192521, 216103851, 2491241396, 26807184942, 319246780548, 3727927654904, 42498891259325, 496063346878031, 5787799084661820, 67059980281582582, 780988033705277709]

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

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