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.

A323868 Number of matrices of size n whose entries cover an initial interval of positive integers.

Table of values

n a(n)
1 1
2 6
3 26
4 225
5 1082
6 18732
7 94586
8 2183340
9 21261783
10 408990252
11 3245265146
12 168549405570
13 1053716696762
14 42565371881772
15 921132763911412
16 26578273409906775
17 260741534058271802
18 20313207979541071938
19 185603174638656822266
20 16066126777466305218690

List of values

[1, 6, 26, 225, 1082, 18732, 94586, 2183340, 21261783, 408990252, 3245265146, 168549405570, 1053716696762, 42565371881772, 921132763911412, 26578273409906775, 260741534058271802, 20313207979541071938, 185603174638656822266, 16066126777466305218690]

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

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