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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.

A377614 a(n) is the number of iterations of x -> 2*x + 5 until (# composites reached) = (# primes reached), starting with prime(n).

Table of values

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

List of values

[1, 11, 1, 15, 1, 17, 1, 3, 1, 1, 15, 17, 1, 1, 1, 1, 1, 13, 13, 1, 19, 7, 1, 1, 13, 1, 15, 1, 7, 1, 1, 1, 1, 9, 1, 17, 1, 3, 1, 1, 1, 9, 1, 1, 1, 1, 1, 1, 1, 9, 1, 1, 3, 1, 1, 1, 1, 5, 1, 1, 3, 1, 3, 1, 5, 1, 1, 1, 1, 1, 1, 1, 7, 7, 1, 1, 1, 1, 1, 7, 1, 1, 1]