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.

A208074 Number of nX4 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 0 vertically.

Table of values

n a(n)
1 10
2 100
3 510
4 2601
5 16065
6 99225
7 572040
8 3297856
9 19523816
10 115584001
11 677087229
12 3966354441
13 23333593542
14 137268768004
15 806149925790
16 4734344981025
17 27823208376315
18 163513839286009
19 960678492827472
20 5644189938974976

List of values

[10, 100, 510, 2601, 16065, 99225, 572040, 3297856, 19523816, 115584001, 677087229, 3966354441, 23333593542, 137268768004, 806149925790, 4734344981025, 27823208376315, 163513839286009, 960678492827472, 5644189938974976]

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

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