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.

A207773 Number of n X 7 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically.

Table of values

n a(n)
1 42
2 1764
3 8928
4 43260
5 240346
6 1246206
7 6513576
8 35632160
9 198768426
10 1120451746
11 6383202712
12 36626389034
13 211006949114
14 1219147066568
15 7059475772964
16 40937679494772
17 237631015514224
18 1380398824589554
19 8023019135887764

List of values

[42, 1764, 8928, 43260, 240346, 1246206, 6513576, 35632160, 198768426, 1120451746, 6383202712, 36626389034, 211006949114, 1219147066568, 7059475772964, 40937679494772, 237631015514224, 1380398824589554, 8023019135887764]

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

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