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.

A049505 a(n) = Product_{1<=i<=j<=n} (i+j+n-1)/(i+j-1), number of symmetric plane partitions in n-cube.

Table of values

n a(n)
0 1
1 2
2 10
3 112
4 2772
5 151008
6 18076916
7 4751252480
8 2740612658576
9 3468301123758080
10 9627912669442441500
11 58618653300361405440000
12 782683432110638830001250000
13 22916694891747599820616089600000
14 1471328419282772010324439370939640000

List of values

[1, 2, 10, 112, 2772, 151008, 18076916, 4751252480, 2740612658576, 3468301123758080, 9627912669442441500, 58618653300361405440000, 782683432110638830001250000, 22916694891747599820616089600000, 1471328419282772010324439370939640000]