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.

A181222 Number of nX6 binary matrices with no three 1's adjacent in a line horizontally, vertically, diagonally or antidiagonally.

Table of values

n a(n)
1 44
2 1936
3 34020
4 845531
5 21513936
6 507962194
7 12297765846
8 298705742479
9 7214603356059
10 174532135006271
11 4223718879095262
12 102172834596986892
13 2471821868183143126
14 59801751244062857757
15 1446764589780206695039

List of values

[44, 1936, 34020, 845531, 21513936, 507962194, 12297765846, 298705742479, 7214603356059, 174532135006271, 4223718879095262, 102172834596986892, 2471821868183143126, 59801751244062857757, 1446764589780206695039]

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

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