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.

A267930 Number of nX3 0..3 arrays with every repeated value in every row and column greater than the previous repeated value.

Table of values

n a(n)
1 60
2 3600
3 178068
4 8459154
5 376812420
6 16109362560
7 663451196118
8 26507885328672
9 1031599522028772
10 39244717326244854
11 1463429227285701348
12 53613261264275522982
13 1933276790525967340428
14 68725772580648925008792

List of values

[60, 3600, 178068, 8459154, 376812420, 16109362560, 663451196118, 26507885328672, 1031599522028772, 39244717326244854, 1463429227285701348, 53613261264275522982, 1933276790525967340428, 68725772580648925008792]

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

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