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.

A208373 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically.

Table of values

n a(n)
1 31
2 961
3 11067
4 177909
5 2563359
6 38542393
7 570085195
8 8487780687
9 126039261499
10 1873614472027
11 27839846618695
12 413742327695195
13 6148396146149603
14 91370604275750753
15 1357831649082497201
16 20178435819755002559

List of values

[31, 961, 11067, 177909, 2563359, 38542393, 570085195, 8487780687, 126039261499, 1873614472027, 27839846618695, 413742327695195, 6148396146149603, 91370604275750753, 1357831649082497201, 20178435819755002559]

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

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