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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.

A356995 a(n) = b(n) - b(b(n)) - b(n - b(n)) for n >= 3, where b(n) = A356988(n).

Table of values

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

List of values

[0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0]

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