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.

A291978 Triangle read by rows, T(n, k) = (-1)^(n-k)*n!*[t^k]([x^n] exp(x*t)/(1 + log(1+x))) for 0<=k<=n.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 2
5 1
6 14
7 9
8 3
9 1
10 88
11 56
12 18
13 4
14 1
15 694
16 440
17 140
18 30
19 5
20 1
21 6578
22 4164
23 1320
24 280
25 45
26 6
27 1
28 72792
29 46046
30 14574
31 3080
32 490
33 63
34 7
35 1
36 920904
37 582336
38 184184
39 38864
40 6160
41 784
42 84
43 8
44 1
45 13109088
46 8288136
47 2620512
48 552552
49 87444
50 11088
51 1176
52 108
53 9
54 1

List of values

[1, 1, 1, 3, 2, 1, 14, 9, 3, 1, 88, 56, 18, 4, 1, 694, 440, 140, 30, 5, 1, 6578, 4164, 1320, 280, 45, 6, 1, 72792, 46046, 14574, 3080, 490, 63, 7, 1, 920904, 582336, 184184, 38864, 6160, 784, 84, 8, 1, 13109088, 8288136, 2620512, 552552, 87444, 11088, 1176, 108, 9, 1]