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.

A208286 Number of n X 7 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 0 vertically.

Table of values

n a(n)
1 42
2 1764
3 14946
4 70216
5 239490
6 665892
7 1604862
8 3478160
9 6942474
10 12974340
11 22973082
12 38883480
13 63339874
14 99833412
15 152904150
16 228359712
17 333522218
18 477505188
19 671522130
20 929228520
21 1267098882
22 1704840676
23 2265846702

List of values

[42, 1764, 14946, 70216, 239490, 665892, 1604862, 3478160, 6942474, 12974340, 22973082, 38883480, 63339874, 99833412, 152904150, 228359712, 333522218, 477505188, 671522130, 929228520, 1267098882, 1704840676, 2265846702]

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

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