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.

A119451 Let S_n be the infinite sequence formed by starting with n and repeatedly reversing the digits and adding 16 to get the next term. Sequence gives number of steps for S_n to reach a cycle, or -1 if no cycle is ever reached.

Table of values

n a(n)
1 721
2 708
3 686
4 709
5 714
6 656
7 724
8 756
9 662
10 721
11 708
12 695
13 664
14 732
15 728
16 715
17 720
18 707
19 685
20 708
21 713
22 655
23 723
24 755
25 661
26 15
27 707
28 712
29 699
30 686
31 700
32 732
33 710
34 0
35 729
36 1
37 694
38 654
39 731
40 709
41 687
42 710
43 715
44 657
45 725
46 757
47 663
48 722
49 709
50 714
51 701
52 688
53 702

List of values

[721, 708, 686, 709, 714, 656, 724, 756, 662, 721, 708, 695, 664, 732, 728, 715, 720, 707, 685, 708, 713, 655, 723, 755, 661, 15, 707, 712, 699, 686, 700, 732, 710, 0, 729, 1, 694, 654, 731, 709, 687, 710, 715, 657, 725, 757, 663, 722, 709, 714, 701, 688, 702]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.