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.

A371095 Array A read by upward antidiagonals in which the entry A(n,k) in row n and column k is defined by A(1, k) = 8*k-7, and A(n+1, k) = R(A(n, k)), n,k >= 1, where Reduced Collatz function R(n) gives the odd part of 3n+1.

Table of values

n a(n)
1 1
2 1
3 9
4 1
5 7
6 17
7 1
8 11
9 13
10 25
11 1
12 17
13 5
14 19
15 33
16 1
17 13
18 1
19 29
20 25
21 41
22 1
23 5
24 1
25 11
26 19
27 31
28 49
29 1
30 1
31 1
32 17
33 29
34 47
35 37
36 57
37 1
38 1
39 1
40 13
41 11
42 71
43 7
44 43
45 65
46 1
47 1
48 1
49 5
50 17
51 107
52 11
53 65
54 49
55 73
56 1
57 1
58 1
59 1
60 13
61 161
62 17
63 49
64 37
65 55
66 81
67 1
68 1
69 1
70 1
71 5
72 121
73 13
74 37
75 7
76 83
77 61
78 89
79 1
80 1
81 1
82 1
83 1
84 91
85 5
86 7
87 11
88 125
89 23
90 67
91 97

List of values

[1, 1, 9, 1, 7, 17, 1, 11, 13, 25, 1, 17, 5, 19, 33, 1, 13, 1, 29, 25, 41, 1, 5, 1, 11, 19, 31, 49, 1, 1, 1, 17, 29, 47, 37, 57, 1, 1, 1, 13, 11, 71, 7, 43, 65, 1, 1, 1, 5, 17, 107, 11, 65, 49, 73, 1, 1, 1, 1, 13, 161, 17, 49, 37, 55, 81, 1, 1, 1, 1, 5, 121, 13, 37, 7, 83, 61, 89, 1, 1, 1, 1, 1, 91, 5, 7, 11, 125, 23, 67, 97]