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.

A226939 A recursive variation of the Collatz-Fibonacci sequence: a(n) = 1 + min(a(C(n)),a(C(C(n)))) where C(n) = A006370(n), the Collatz map.

Table of values

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

List of values

[1, 1, 4, 2, 3, 5, 9, 2, 10, 4, 8, 5, 5, 9, 9, 3, 7, 11, 11, 4, 4, 8, 8, 6, 12, 6, 56, 10, 10, 10, 54, 3, 14, 7, 7, 11, 11, 11, 18, 5, 55, 5, 15, 9, 9, 9, 53, 6, 13, 13, 13, 6, 6, 57, 57, 10, 17, 10, 17, 10, 10, 54, 54, 4, 14, 14, 14, 8, 8, 8]