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.

A297589 Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1's.

Table of values

n a(n)
1 1
2 5
3 25
4 154
5 3747
6 163704
7 9403199
8 1120526916
9 303459238317
10 138838185786076
11 112146192906098209
12 184312505263036081408
13 579679725644521049265576
14 3298268036530237426659387766

List of values

[1, 5, 25, 154, 3747, 163704, 9403199, 1120526916, 303459238317, 138838185786076, 112146192906098209, 184312505263036081408, 579679725644521049265576, 3298268036530237426659387766]

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

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