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.

A207810 Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 0 1 vertically.

Table of values

n a(n)
1 16
2 256
3 1232
4 9168
5 57184
6 382288
7 2485392
8 16340928
9 106947696
10 701265456
11 4594672480
12 30114026544
13 197343497360
14 1293310030272
15 8475616206320
16 55544979901904
17 364012404953344
18 2385549961744304
19 15633651159374128

List of values

[16, 256, 1232, 9168, 57184, 382288, 2485392, 16340928, 106947696, 701265456, 4594672480, 30114026544, 197343497360, 1293310030272, 8475616206320, 55544979901904, 364012404953344, 2385549961744304, 15633651159374128]

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

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