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.

A347940 Array T(n, k) = Sum_{j=2..n+2} (-1)^(n-j)*Stirling2(n+1, j-1)*j!*j^k/2, for n and k >= 0, read by antidiagonals.

Table of values

n a(n)
0 1
1 2
2 2
3 4
4 7
5 4
6 8
7 23
8 23
9 8
10 16
11 73
12 115
13 73
14 16
15 32
16 227
17 533
18 533
19 227
20 32
21 64
22 697
23 2359
24 3451
25 2359
26 697
27 64
28 128
29 2123
30 10133
31 20753
32 20753
33 10133
34 2123
35 128
36 256
37 6433
38 42655
39 118843
40 164731
41 118843
42 42655
43 6433
44 256
45 512
46 19427
47 177053
48 657833
49 1220657
50 1220657
51 657833
52 177053
53 19427
54 512

List of values

[1, 2, 2, 4, 7, 4, 8, 23, 23, 8, 16, 73, 115, 73, 16, 32, 227, 533, 533, 227, 32, 64, 697, 2359, 3451, 2359, 697, 64, 128, 2123, 10133, 20753, 20753, 10133, 2123, 128, 256, 6433, 42655, 118843, 164731, 118843, 42655, 6433, 256, 512, 19427, 177053, 657833, 1220657, 1220657, 657833, 177053, 19427, 512]