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.

A203983 Number of (n+1)X8 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 24576
2 1119744
3 51018336
4 2447270496
5 118333620576
6 5764846339584
7 281455764775776
8 13760034485954400
9 673045752535673184
10 32929530583286102400
11 1611290252343314405376
12 78847099619621520230496

List of values

[24576, 1119744, 51018336, 2447270496, 118333620576, 5764846339584, 281455764775776, 13760034485954400, 673045752535673184, 32929530583286102400, 1611290252343314405376, 78847099619621520230496]

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

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