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.

A297318 Number of 5Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 or 2 neighboring 1s.

Table of values

n a(n)
1 1
2 200
3 3159
4 29212
5 484808
6 8273245
7 121339476
8 1815438259
9 27950049482
10 426949482189
11 6494779570376
12 98961790075322
13 1508712969034695
14 22994788538451691
15 350445360895775177
16 5341072484013959839

List of values

[1, 200, 3159, 29212, 484808, 8273245, 121339476, 1815438259, 27950049482, 426949482189, 6494779570376, 98961790075322, 1508712969034695, 22994788538451691, 350445360895775177, 5341072484013959839]

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

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