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.

A377618 a(n) is the number of iterations of x -> 4*x - 1 until (# composites reached) = (# primes reached), starting with prime(n).

Table of values

n a(n)
1 5
2 17
3 3
4 1
5 15
6 1
7 3
8 1
9 1
10 1
11 1
12 1
13 3
14 1
15 1
16 5
17 1
18 1
19 1
20 5
21 1
22 1
23 3
24 1
25 1
26 1
27 1
28 1
29 1
30 1
31 1
32 5
33 5
34 1
35 1
36 1
37 1
38 1
39 1
40 3
41 1
42 1
43 1
44 1
45 3
46 1
47 1
48 1
49 3
50 1
51 1
52 1
53 1
54 1
55 1
56 5
57 1
58 1
59 1
60 3
61 1
62 13
63 1
64 1
65 1
66 1
67 1
68 1
69 1
70 1
71 1
72 1
73 1
74 1
75 1
76 3
77 1
78 1
79 1
80 1
81 1
82 1
83 3
84 1
85 1

List of values

[5, 17, 3, 1, 15, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 5, 1, 1, 1, 5, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 3, 1, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 1]