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.

A197449 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,1,0,0 for x=0,1,2,3,4.

Table of values

n a(n)
1 16
2 957
3 88767
4 6455759
5 504568165
6 40087361395
7 3148323076125
8 247785141871837
9 19514460176530843
10 1536223846055481075
11 120945067934443941208
12 9522042330180130196817
13 749659600975504964938552

List of values

[16, 957, 88767, 6455759, 504568165, 40087361395, 3148323076125, 247785141871837, 19514460176530843, 1536223846055481075, 120945067934443941208, 9522042330180130196817, 749659600975504964938552]

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

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