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.

A197248 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,0,1,1,1 for x=0,1,2,3,4.

Table of values

n a(n)
1 3
2 80
3 227
4 5713
5 31276
6 405065
7 3264225
8 29975706
9 324191969
10 2687575073
11 30493965518
12 259733680667
13 2634174755809
14 25422825883256
15 236887111563899
16 2418154978600875
17 22091513472216108
18 220206294709791833

List of values

[3, 80, 227, 5713, 31276, 405065, 3264225, 29975706, 324191969, 2687575073, 30493965518, 259733680667, 2634174755809, 25422825883256, 236887111563899, 2418154978600875, 22091513472216108, 220206294709791833]

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

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