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.

A054688 Number of nonnegative integer n X n matrices with sum of elements equal to n; polynomial symmetric functions of matrix of order n.

Table of values

n a(n)
0 1
1 1
2 10
3 165
4 3876
5 118755
6 4496388
7 202927725
8 10639125640
9 635627275767
10 42634215112710
11 3172596834321200
12 259398433286078100
13 23116565732981832150
14 2230164446387219893320
15 231574204669402103059965
16 25751746463640423324267024
17 3053419608195531383028424575

List of values

[1, 1, 10, 165, 3876, 118755, 4496388, 202927725, 10639125640, 635627275767, 42634215112710, 3172596834321200, 259398433286078100, 23116565732981832150, 2230164446387219893320, 231574204669402103059965, 25751746463640423324267024, 3053419608195531383028424575]

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

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