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.

A262325 Number of (n+1)X(n+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits.

Table of values

n a(n)
1 2
2 5
3 90
4 2399
5 570922
6 394241389
7 1456404454010
8 19392931688071671
9 1134083007177482717802
10 256890679674803015904974405
11 239672757231397671662393429466490

List of values

[2, 5, 90, 2399, 570922, 394241389, 1456404454010, 19392931688071671, 1134083007177482717802, 256890679674803015904974405, 239672757231397671662393429466490]

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

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