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.

A033492 Record number of steps to reach 1 in '3x+1' problem, corresponding to starting values in A006877 (same as A006878 except here we start counting at 1 instead of 0).

Table of values

n a(n)
1 1
2 2
3 8
4 9
5 17
6 20
7 21
8 24
9 112
10 113
11 116
12 119
13 122
14 125
15 128
16 131
17 144
18 145
19 171
20 179
21 182
22 183
23 209
24 217
25 238
26 262
27 268
28 276
29 279
30 282
31 308
32 311
33 324
34 340
35 351
36 354
37 375
38 383
39 386
40 443
41 449
42 470
43 509
44 525
45 528
46 531
47 557
48 560
49 563
50 584
51 597
52 613
53 665
54 686

List of values

[1, 2, 8, 9, 17, 20, 21, 24, 112, 113, 116, 119, 122, 125, 128, 131, 144, 145, 171, 179, 182, 183, 209, 217, 238, 262, 268, 276, 279, 282, 308, 311, 324, 340, 351, 354, 375, 383, 386, 443, 449, 470, 509, 525, 528, 531, 557, 560, 563, 584, 597, 613, 665, 686]

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

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