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.

A203982 Number of (n+1)X7 0..2 arrays with no 2X2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.

Table of values

n a(n)
1 6144
2 186624
3 5668704
4 178855776
5 5671161216
6 180709558848
7 5764846339584
8 184042295652096
9 5876808948959616
10 187680079115373888
11 5993929440264576384
12 191431738781962474176
13 6113912564634046252416
14 195265725121889159876928

List of values

[6144, 186624, 5668704, 178855776, 5671161216, 180709558848, 5764846339584, 184042295652096, 5876808948959616, 187680079115373888, 5993929440264576384, 191431738781962474176, 6113912564634046252416, 195265725121889159876928]

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

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