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.

A283026 Number of inequivalent 4 X 4 matrices with entries in {1,2,3,..,n} up to row permutations.

Table of values

n a(n)
0 0
1 1
2 3876
3 1929501
4 183181376
5 6419043125
6 118091211876
7 1388168405001
8 11745311589376
9 77279801651001
10 416916712502500
11 1915356782994501
12 7705740009485376
13 27731516944463501
14 90762229896563876
15 273716119247180625
16 768684707117285376
17 2027695320242670001

List of values

[0, 1, 3876, 1929501, 183181376, 6419043125, 118091211876, 1388168405001, 11745311589376, 77279801651001, 416916712502500, 1915356782994501, 7705740009485376, 27731516944463501, 90762229896563876, 273716119247180625, 768684707117285376, 2027695320242670001]

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

Content is available under The OEIS End-User License Agreement.