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.

A275503 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,-1) and new values introduced in order 0..2.

Table of values

n a(n)
1 365
2 69984
3 50000
4 73856
5 75024
6 346528
7 1643372
8 7886280
9 37846556
10 182923008
11 884628720
12 4276847052
13 20741192940
14 100647222904
15 488252256740
16 2372706557348
17 11527428408920
18 56008813182076
19 272332971514256

List of values

[365, 69984, 50000, 73856, 75024, 346528, 1643372, 7886280, 37846556, 182923008, 884628720, 4276847052, 20741192940, 100647222904, 488252256740, 2372706557348, 11527428408920, 56008813182076, 272332971514256]

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

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