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.

A007664 Reve's puzzle: number of moves needed to solve the Towers of Hanoi puzzle with 4 pegs and n disks, according to the Frame-Stewart algorithm.

Table of values

n a(n)
0 0
1 1
2 3
3 5
4 9
5 13
6 17
7 25
8 33
9 41
10 49
11 65
12 81
13 97
14 113
15 129
16 161
17 193
18 225
19 257
20 289
21 321
22 385
23 449
24 513
25 577
26 641
27 705
28 769
29 897
30 1025
31 1153
32 1281
33 1409
34 1537
35 1665
36 1793
37 2049
38 2305
39 2561
40 2817
41 3073
42 3329
43 3585
44 3841
45 4097
46 4609
47 5121
48 5633

List of values

[0, 1, 3, 5, 9, 13, 17, 25, 33, 41, 49, 65, 81, 97, 113, 129, 161, 193, 225, 257, 289, 321, 385, 449, 513, 577, 641, 705, 769, 897, 1025, 1153, 1281, 1409, 1537, 1665, 1793, 2049, 2305, 2561, 2817, 3073, 3329, 3585, 3841, 4097, 4609, 5121, 5633]