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.

A268638 Number of n X 7 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totaling two exactly once.

Table of values

n a(n)
1 576
2 25272
3 875592
4 27906474
5 849572724
6 25093766490
7 725187096504
8 20612084839848
9 578250487434612
10 16051896344807322
11 441734555450215308
12 12067989070909055082
13 327659984810446438932
14 8849194102430720956704

List of values

[576, 25272, 875592, 27906474, 849572724, 25093766490, 725187096504, 20612084839848, 578250487434612, 16051896344807322, 441734555450215308, 12067989070909055082, 327659984810446438932, 8849194102430720956704]

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

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