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.

A131632 Triangle T(n,k) read by rows = number of partitions of n-set into k blocks with distinct sizes, k = 1..A003056(n).

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 1
6 4
7 1
8 15
9 1
10 21
11 60
12 1
13 63
14 105
15 1
16 92
17 448
18 1
19 255
20 2016
21 1
22 385
23 4980
24 12600
25 1
26 1023
27 15675
28 27720
29 1
30 1585
31 61644
32 138600
33 1
34 4095
35 155155
36 643500
37 1
38 6475
39 482573
40 4408404
41 1
42 16383
43 1733550
44 12687675
45 37837800
46 1
47 26332
48 4549808
49 60780720

List of values

[1, 1, 1, 3, 1, 4, 1, 15, 1, 21, 60, 1, 63, 105, 1, 92, 448, 1, 255, 2016, 1, 385, 4980, 12600, 1, 1023, 15675, 27720, 1, 1585, 61644, 138600, 1, 4095, 155155, 643500, 1, 6475, 482573, 4408404, 1, 16383, 1733550, 12687675, 37837800, 1, 26332, 4549808, 60780720]