cp's OEIS Frontend

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.

A163464 Cumulative sum of a repeated shift-and-add operation on the base-7 representation of prime(n).

Table of values

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

List of values

[0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 4, 5, 5, 6, 6, 8, 9, 9, 10, 11, 11, 12, 12, 13, 14, 16, 16, 17, 17, 18, 20, 20, 21, 21, 24, 24, 25, 26, 26, 27, 28, 28, 30, 30, 32, 32, 34, 35, 36, 36, 37, 38, 38, 40, 41, 42, 43, 43, 44, 45, 45, 46, 49, 50, 50, 51, 53, 54, 57, 57, 58, 59, 60, 61, 62]

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

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