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.

A352607 Triangle read by rows. T(n, k) = Bell(k)*Sum_{j=0..k}(-1)^(k+j)*binomial(n, n-k+j)*Stirling2(n-k+j, j) for n >= 0 and 0 <= k <= floor(n/2).

Table of values

n a(n)
0 1
1 0
2 0
3 1
4 0
5 1
6 0
7 1
8 6
9 0
10 1
11 20
12 0
13 1
14 50
15 75
16 0
17 1
18 112
19 525
20 0
21 1
22 238
23 2450
24 1575
25 0
26 1
27 492
28 9590
29 18900
30 0
31 1
32 1002
33 34125
34 141750
35 49140
36 0
37 1
38 2024
39 114675
40 854700
41 900900
42 0
43 1
44 4070
45 371580
46 4544925
47 9909900
48 2110185

List of values

[1, 0, 0, 1, 0, 1, 0, 1, 6, 0, 1, 20, 0, 1, 50, 75, 0, 1, 112, 525, 0, 1, 238, 2450, 1575, 0, 1, 492, 9590, 18900, 0, 1, 1002, 34125, 141750, 49140, 0, 1, 2024, 114675, 854700, 900900, 0, 1, 4070, 371580, 4544925, 9909900, 2110185]