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.

A197671 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,0,1 for x=0,1,2,3,4.

Table of values

n a(n)
1 25
2 1963
3 74812
4 3675345
5 178113620
6 8613257822
7 417293944115
8 20252638815131
9 981414876628367
10 47569549221404522
11 2306162325188337684
12 111794015697526614448
13 5419263655984491978357
14 262704965350074163519109

List of values

[25, 1963, 74812, 3675345, 178113620, 8613257822, 417293944115, 20252638815131, 981414876628367, 47569549221404522, 2306162325188337684, 111794015697526614448, 5419263655984491978357, 262704965350074163519109]

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

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