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.

A296319 Number of nX7 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.

Table of values

n a(n)
1 13
2 301
3 2747
4 37431
5 490668
6 6069953
7 78105580
8 994666167
9 12644605701
10 161191403242
11 2052476777491
12 26138049499179
13 332906349627080
14 4239664089907890
15 53994948962929686
16 687661857639787158

List of values

[13, 301, 2747, 37431, 490668, 6069953, 78105580, 994666167, 12644605701, 161191403242, 2052476777491, 26138049499179, 332906349627080, 4239664089907890, 53994948962929686, 687661857639787158]

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

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