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.

A156603 Square array T(n, k) = Product_{j=1..n} p(j, k+1), p(n, x) = Sum_{j=0..n} (-1)^j*A053122(n, j)*x^j, and T(n, 0) = n!, read by antidiagonals.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 0
9 6
10 1
11 1
12 -1
13 0
14 24
15 1
16 1
17 -2
18 0
19 0
20 120
21 1
22 1
23 -3
24 -6
25 0
26 0
27 720
28 1
29 1
30 -4
31 -24
32 24
33 0
34 0
35 5040
36 1
37 1
38 -5
39 -60
40 504
41 120
42 0
43 0
44 40320
45 1
46 1
47 -6
48 -120
49 3360
50 27720
51 -720
52 0
53 0
54 362880
55 1
56 1
57 -7
58 -210
59 13800
60 702240
61 -3991680
62 -5040
63 0
64 0
65 3628800

List of values

[1, 1, 1, 1, 1, 2, 1, 1, 0, 6, 1, 1, -1, 0, 24, 1, 1, -2, 0, 0, 120, 1, 1, -3, -6, 0, 0, 720, 1, 1, -4, -24, 24, 0, 0, 5040, 1, 1, -5, -60, 504, 120, 0, 0, 40320, 1, 1, -6, -120, 3360, 27720, -720, 0, 0, 362880, 1, 1, -7, -210, 13800, 702240, -3991680, -5040, 0, 0, 3628800]