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.

A338813 Triangle T(n,k) defined by Sum_{k=1..n} T(n,k)*u^k*x^n/n! = Product_{j>0} (1+x^j)^(u/j).

Table of values

n a(n)
1 1
2 0
3 1
4 4
5 0
6 1
7 -6
8 16
9 0
10 1
11 48
12 -30
13 40
14 0
15 1
16 0
17 448
18 -90
19 80
20 0
21 1
22 1440
23 -840
24 2128
25 -210
26 140
27 0
28 1
29 -10080
30 23532
31 -6720
32 7168
33 -420
34 224
35 0
36 1
37 120960
38 -127008
39 177868
40 -30240
41 19488
42 -756
43 336
44 0
45 1
46 0
47 2191104
48 -1018080
49 892540
50 -100800
51 45696
52 -1260
53 480
54 0
55 1

List of values

[1, 0, 1, 4, 0, 1, -6, 16, 0, 1, 48, -30, 40, 0, 1, 0, 448, -90, 80, 0, 1, 1440, -840, 2128, -210, 140, 0, 1, -10080, 23532, -6720, 7168, -420, 224, 0, 1, 120960, -127008, 177868, -30240, 19488, -756, 336, 0, 1, 0, 2191104, -1018080, 892540, -100800, 45696, -1260, 480, 0, 1]