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.

A117372 Riordan array (1-3x,x(1-x)).

Table of values

n a(n)
0 1
1 -3
2 1
3 0
4 -4
5 1
6 0
7 3
8 -5
9 1
10 0
11 0
12 7
13 -6
14 1
15 0
16 0
17 -3
18 12
19 -7
20 1
21 0
22 0
23 0
24 -10
25 18
26 -8
27 1
28 0
29 0
30 0
31 3
32 -22
33 25
34 -9
35 1
36 0
37 0
38 0
39 0
40 13
41 -40
42 33
43 -10
44 1
45 0
46 0
47 0
48 0
49 -3
50 35
51 -65
52 42
53 -11
54 1
55 0
56 0
57 0
58 0
59 0
60 -16
61 75
62 -98
63 52
64 -12
65 1

List of values

[1, -3, 1, 0, -4, 1, 0, 3, -5, 1, 0, 0, 7, -6, 1, 0, 0, -3, 12, -7, 1, 0, 0, 0, -10, 18, -8, 1, 0, 0, 0, 3, -22, 25, -9, 1, 0, 0, 0, 0, 13, -40, 33, -10, 1, 0, 0, 0, 0, -3, 35, -65, 42, -11, 1, 0, 0, 0, 0, 0, -16, 75, -98, 52, -12, 1]