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.

A377617 a(n) is the number of iterations of x -> 3*x + 4 until (# composites reached) = (# primes reached), starting with prime(n).

Table of values

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

List of values

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