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.

A365646 a(n) is the permanent of the n X n matrix M(n) whose generic M[i, j] = j*(10^i - 1)/9 with 1 <= i, j <= n.

Table of values

n a(n)
0 1
1 1
2 44
3 43956
4 781361856
5 217042789550400
6 868170290030441798400
7 47267044397174696636039097600
8 33612120124091913005718848881499750400
9 302509080814318135934642422882028113666502246400
10 33612120087118580872578956587618207930922159448149975040000

List of values

[1, 1, 44, 43956, 781361856, 217042789550400, 868170290030441798400, 47267044397174696636039097600, 33612120124091913005718848881499750400, 302509080814318135934642422882028113666502246400, 33612120087118580872578956587618207930922159448149975040000]

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

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