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.

A099730 Array read by antidiagonals. Rows contain odd numbers reaching same odd successor in Collatz function iteration.

Table of values

n a(n)
1 1
2 5
3 3
4 21
5 13
6 7
7 85
8 53
9 29
10 9
11 341
12 213
13 117
14 37
15 11
16 1365
17 853
18 469
19 149
20 45
21 15
22 5461
23 3413
24 1877
25 597
26 181
27 61
28 17
29 21845
30 13653
31 7509
32 2389
33 725
34 245
35 69
36 19
37 87381
38 54613
39 30037
40 9557
41 2901
42 981
43 277
44 77
45 23

List of values

[1, 5, 3, 21, 13, 7, 85, 53, 29, 9, 341, 213, 117, 37, 11, 1365, 853, 469, 149, 45, 15, 5461, 3413, 1877, 597, 181, 61, 17, 21845, 13653, 7509, 2389, 725, 245, 69, 19, 87381, 54613, 30037, 9557, 2901, 981, 277, 77, 23]