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.

A024716 a(n) = Sum_{1 <= j <= i <= n} S(i,j), where S(i,j) are Stirling numbers of the second kind.

Table of values

n a(n)
1 1
2 3
3 8
4 23
5 75
6 278
7 1155
8 5295
9 26442
10 142417
11 820987
12 5034584
13 32679021
14 223578343
15 1606536888
16 12086679035
17 94951548839
18 777028354998
19 6609770560055
20 58333928795427
21 533203744952178
22 5039919483399501
23 49191925338483847
24 495150794633289136

List of values

[1, 3, 8, 23, 75, 278, 1155, 5295, 26442, 142417, 820987, 5034584, 32679021, 223578343, 1606536888, 12086679035, 94951548839, 777028354998, 6609770560055, 58333928795427, 533203744952178, 5039919483399501, 49191925338483847, 495150794633289136]