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.

A204629 Number of (n+1)X8 0..2 arrays with every 2X2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..2 introduced in row major order.

Table of values

n a(n)
1 3145728
2 9076721064
3 26194503047262
4 75595484720747496
5 218163372078770313246
6 629604521519860258105194
7 1816995451072561641887723586
8 5243724206237325303462055283538

List of values

[3145728, 9076721064, 26194503047262, 75595484720747496, 218163372078770313246, 629604521519860258105194, 1816995451072561641887723586, 5243724206237325303462055283538]

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

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