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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.

A172006 Shortest SNUSP representation of a number using only +, - and @.

Table of values

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

List of values

[1, 2, 3, 4, 4, 5, 5, 5, 6, 7, 6, 7, 6, 7, 7, 8, 7, 7, 8, 8, 7, 8, 8, 9, 8, 8, 8, 8, 8, 9, 9, 9, 9, 8, 9, 10, 9, 9, 10, 10, 9, 10, 9, 10, 9, 10, 9, 10, 10, 10, 10, 10, 10, 10, 9, 10, 10, 10, 10, 10, 10, 10, 11, 11, 10, 11, 10, 10, 10, 11, 11, 11, 10, 11, 11, 10, 11, 11, 11, 11, 11, 11, 11, 12]

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

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