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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.

A132013 T(n,j) for an iterated mixed order Laguerre transform. Coefficients of the normalized generalized Laguerre polynomials (-1)^n*n!*L(n,1-n,x).

Table of values

n a(n)
0 1
1 -1
2 1
3 0
4 -2
5 1
6 0
7 0
8 -3
9 1
10 0
11 0
12 0
13 -4
14 1
15 0
16 0
17 0
18 0
19 -5
20 1
21 0
22 0
23 0
24 0
25 0
26 -6
27 1
28 0
29 0
30 0
31 0
32 0
33 0
34 -7
35 1
36 0
37 0
38 0
39 0
40 0
41 0
42 0
43 -8
44 1
45 0
46 0
47 0
48 0
49 0
50 0
51 0
52 0
53 -9
54 1
55 0
56 0
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 -10
65 1
66 0
67 0
68 0
69 0
70 0
71 0
72 0
73 0
74 0
75 0
76 -11
77 1
78 0
79 0
80 0
81 0
82 0
83 0
84 0
85 0
86 0
87 0
88 0
89 -12
90 1

List of values

[1, -1, 1, 0, -2, 1, 0, 0, -3, 1, 0, 0, 0, -4, 1, 0, 0, 0, 0, -5, 1, 0, 0, 0, 0, 0, -6, 1, 0, 0, 0, 0, 0, 0, -7, 1, 0, 0, 0, 0, 0, 0, 0, -8, 1, 0, 0, 0, 0, 0, 0, 0, 0, -9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -10, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -11, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -12, 1]