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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.

A227431 Fibonacci differences triangle, T(n,k), k<=n, where column k holds the k-th difference of A000045, read by rows.

Table of values

n a(n)
1 1
2 1
3 0
4 2
5 1
6 1
7 3
8 1
9 0
10 -1
11 5
12 2
13 1
14 1
15 2
16 8
17 3
18 1
19 0
20 -1
21 -3
22 13
23 5
24 2
25 1
26 1
27 2
28 5
29 21
30 8
31 3
32 1
33 0
34 -1
35 -3
36 -8
37 34
38 13
39 5
40 2
41 1
42 1
43 2
44 5
45 13
46 55
47 21
48 8
49 3
50 1
51 0
52 -1
53 -3
54 -8
55 -21
56 89
57 34
58 13
59 5
60 2
61 1
62 1
63 2
64 5
65 13
66 34
67 144
68 55
69 21
70 8
71 3
72 1
73 0
74 -1
75 -3
76 -8
77 -21

List of values

[1, 1, 0, 2, 1, 1, 3, 1, 0, -1, 5, 2, 1, 1, 2, 8, 3, 1, 0, -1, -3, 13, 5, 2, 1, 1, 2, 5, 21, 8, 3, 1, 0, -1, -3, -8, 34, 13, 5, 2, 1, 1, 2, 5, 13, 55, 21, 8, 3, 1, 0, -1, -3, -8, -21, 89, 34, 13, 5, 2, 1, 1, 2, 5, 13, 34, 144, 55, 21, 8, 3, 1, 0, -1, -3, -8, -21]

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