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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.

A256759 Nonpositive part of the minimal alternating triangular-number representation of n (defined at A255974).

Table of values

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

List of values

[0, 1, 0, 3, 1, 0, 3, 3, 1, 0, 7, 3, 3, 1, 0, 6, 7, 3, 3, 1, 0, 6, 6, 7, 3, 3, 1, 0, 10, 6, 6, 7, 3, 3, 1, 0, 11, 10, 6, 6, 7, 3, 3, 1, 0, 10, 11, 10, 6, 6, 7, 3, 3, 1, 0, 10, 10, 11, 10, 6, 6, 7, 3, 3, 1, 0, 18, 10, 10, 11, 10, 6, 6, 7, 3, 3, 1, 0, 15, 18]

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