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.

A275181 Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,0) or (-1,1) and new values introduced in order 0..2.

Table of values

n a(n)
1 122
2 1024
3 1129
4 1651
5 6081
6 23313
7 90793
8 355258
9 1392050
10 5466938
11 21539426
12 85093786
13 336588196
14 1331473727
15 5265942503
16 20828817622
17 82420863039
18 326283110365
19 1291905762290
20 5114955533848
21 20248639590431
22 80153872862995

List of values

[122, 1024, 1129, 1651, 6081, 23313, 90793, 355258, 1392050, 5466938, 21539426, 85093786, 336588196, 1331473727, 5265942503, 20828817622, 82420863039, 326283110365, 1291905762290, 5114955533848, 20248639590431, 80153872862995]

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

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