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.

A205588 Number of (n+1)X7 0..2 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..2 introduced in row major order.

Table of values

n a(n)
1 69338
2 1910922
3 68604790
4 2444556894
5 88339585116
6 3232900348158
7 118372688297292
8 4345040364362660
9 159636203824214264
10 5867029054299935636
11 215694158623613862786
12 7930473571089262834558
13 291601723075905716037696

List of values

[69338, 1910922, 68604790, 2444556894, 88339585116, 3232900348158, 118372688297292, 4345040364362660, 159636203824214264, 5867029054299935636, 215694158623613862786, 7930473571089262834558, 291601723075905716037696]

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

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