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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.

A378758 Number of 1's required to build n using +, -, and ^.

Table of values

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

List of values

[1, 2, 3, 4, 5, 6, 6, 5, 5, 6, 7, 8, 9, 8, 7, 6, 7, 8, 9, 10, 11, 10, 9, 8, 7, 7, 6, 7, 8, 9, 8, 7, 8, 9, 9, 8, 9, 10, 11, 12, 12, 13, 12, 13, 12, 11, 10, 9, 8, 9, 10, 11, 12, 12, 12, 12, 13, 13, 12, 11, 10, 9, 8, 7, 8, 9, 10, 11, 12, 13, 13, 12, 12, 13]

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

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