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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.

A127468 Triangle read by rows: matrix product A127466*A054525.

Table of values

n a(n)
1 1
2 0
3 2
4 -3
5 0
6 6
7 0
8 -4
9 0
10 8
11 -15
12 0
13 0
14 0
15 20
16 0
17 -6
18 0
19 0
20 0
21 12
22 -35
23 0
24 0
25 0
26 0
27 0
28 42
29 0
30 -8
31 0
32 -16
33 0
34 0
35 0
36 32
37 -9
38 0
39 -36
40 0
41 0
42 0
43 0
44 0
45 54
46 0
47 -30
48 0
49 0
50 0
51 0
52 0
53 0
54 0
55 40
56 -99
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 0
65 0
66 110
67 0
68 12
69 0
70 -24
71 0
72 -24
73 0
74 0
75 0
76 0
77 0
78 48

List of values

[1, 0, 2, -3, 0, 6, 0, -4, 0, 8, -15, 0, 0, 0, 20, 0, -6, 0, 0, 0, 12, -35, 0, 0, 0, 0, 0, 42, 0, -8, 0, -16, 0, 0, 0, 32, -9, 0, -36, 0, 0, 0, 0, 0, 54, 0, -30, 0, 0, 0, 0, 0, 0, 0, 40, -99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 110, 0, 12, 0, -24, 0, -24, 0, 0, 0, 0, 0, 48]

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