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.

A241134 Number of nX3 0..2 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..2 introduced in row major order.

Table of values

n a(n)
1 1
2 5
3 24
4 152
5 935
6 6150
7 40504
8 269481
9 1797120
10 12006500
11 80271767
12 536871242
13 3591277652
14 24025055521
15 160729893196
16 1075318230432
17 7194178531255
18 48131264332222
19 322013597082816
20 2154376343705369
21 14413489436501544

List of values

[1, 5, 24, 152, 935, 6150, 40504, 269481, 1797120, 12006500, 80271767, 536871242, 3591277652, 24025055521, 160729893196, 1075318230432, 7194178531255, 48131264332222, 322013597082816, 2154376343705369, 14413489436501544]

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

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