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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.

A358133 Triangle read by rows whose n-th row lists the first differences of the n-th composition in standard order (row n of A066099).

Table of values

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

List of values

[0, -1, 1, 0, 0, -2, 0, -1, 0, 2, 1, -1, 0, 1, 0, 0, 0, -3, -1, -2, 0, 1, 0, -1, -1, 1, -1, 0, 0, 3, 2, -2, 1, 0, 1, -1, 0, 0, 2, 0, 1, -1, 0, 0, 1, 0, 0, 0, 0, -4, -2, -3, 0, 0, -1, -1, -2, 1, -2, 0, 0, 2, 1, -2, 0, 0, 0, -1, 0, -1, 2, -1, 1, -1, -1, 0, 1, -1]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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