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.

A033493 Sum of the numbers in the trajectory of n for the 3x+1 problem.

Table of values

n a(n)
1 1
2 3
3 49
4 7
5 36
6 55
7 288
8 15
9 339
10 46
11 259
12 67
13 119
14 302
15 694
16 31
17 214
18 357
19 519
20 66
21 148
22 281
23 633
24 91
25 658
26 145
27 101440
28 330
29 442
30 724
31 101104
32 63
33 841
34 248
35 540
36 393
37 535
38 557
39 2344
40 106
41 101331
42 190
43 1338
44 325
45 497
46 679
47 100979
48 139
49 806
50 708
51 1130
52 197

List of values

[1, 3, 49, 7, 36, 55, 288, 15, 339, 46, 259, 67, 119, 302, 694, 31, 214, 357, 519, 66, 148, 281, 633, 91, 658, 145, 101440, 330, 442, 724, 101104, 63, 841, 248, 540, 393, 535, 557, 2344, 106, 101331, 190, 1338, 325, 497, 679, 100979, 139, 806, 708, 1130, 197]

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

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