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.

A275182 Number of nX7 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)
1 365
2 4096
3 4021
4 5653
5 25241
6 117916
7 561044
8 2688402
9 12931103
10 62408531
11 302138208
12 1466387881
13 7128875693
14 34691973269
15 168923525976
16 822823965071
17 4008952988381
18 19536216274450
19 95219416747615
20 464168982600409

List of values

[365, 4096, 4021, 5653, 25241, 117916, 561044, 2688402, 12931103, 62408531, 302138208, 1466387881, 7128875693, 34691973269, 168923525976, 822823965071, 4008952988381, 19536216274450, 95219416747615, 464168982600409]

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

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