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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.

A067613 Triangular table of coefficients of the Hermite polynomials, divided by 2^floor(n/2).

Table of values

n a(n)
0 1
1 0
2 -2
3 -1
4 0
5 2
6 0
7 6
8 0
9 -4
10 3
11 0
12 -12
13 0
14 4
15 0
16 -30
17 0
18 40
19 0
20 -8
21 -15
22 0
23 90
24 0
25 -60
26 0
27 8
28 0
29 210
30 0
31 -420
32 0
33 168
34 0
35 -16
36 105
37 0
38 -840
39 0
40 840
41 0
42 -224
43 0
44 16
45 0
46 -1890
47 0
48 5040
49 0
50 -3024
51 0
52 576
53 0
54 -32
55 -945
56 0
57 9450
58 0
59 -12600
60 0
61 5040
62 0
63 -720
64 0
65 32
66 0
67 20790
68 0
69 -69300
70 0
71 55440
72 0
73 -15840
74 0
75 1760
76 0
77 -64

List of values

[1, 0, -2, -1, 0, 2, 0, 6, 0, -4, 3, 0, -12, 0, 4, 0, -30, 0, 40, 0, -8, -15, 0, 90, 0, -60, 0, 8, 0, 210, 0, -420, 0, 168, 0, -16, 105, 0, -840, 0, 840, 0, -224, 0, 16, 0, -1890, 0, 5040, 0, -3024, 0, 576, 0, -32, -945, 0, 9450, 0, -12600, 0, 5040, 0, -720, 0, 32, 0, 20790, 0, -69300, 0, 55440, 0, -15840, 0, 1760, 0, -64]