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.

A229228 Number of set partitions of {1,...,2n} into sets of size at most n.

Table of values

n a(n)
0 1
1 1
2 10
3 166
4 3795
5 112124
6 4163743
7 190168577
8 10468226150
9 681863474058
10 51720008131148
11 4506628734688128
12 445956917001833090
13 49631199898024188422
14 6160538225093750695800
15 846748983034696433927334
16 128064669166890886264698699
17 21195039362681903376709497444

List of values

[1, 1, 10, 166, 3795, 112124, 4163743, 190168577, 10468226150, 681863474058, 51720008131148, 4506628734688128, 445956917001833090, 49631199898024188422, 6160538225093750695800, 846748983034696433927334, 128064669166890886264698699, 21195039362681903376709497444]