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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.

A275531 Values taken by the sum of numbers in Collatz trajectory (A033493), sorted into ascending order.

Table of values

n a(n)
1 1
2 3
3 7
4 15
5 31
6 36
7 46
8 49
9 55
10 63
11 66
12 67
13 91
14 106
15 119
16 127
17 139
18 145
19 148
20 186
21 190
22 197
23 214
24 235
25 248
26 255
27 259
28 274
29 281
30 288
31 301
32 302
33 316
34 325
35 330
36 339
37 346
38 357
39 386
40 393
41 399
42 413
43 427
44 442
45 442
46 452
47 465
48 497
49 498
50 500
51 505
52 509
53 511
54 519
55 535
56 540

List of values

[1, 3, 7, 15, 31, 36, 46, 49, 55, 63, 66, 67, 91, 106, 119, 127, 139, 145, 148, 186, 190, 197, 214, 235, 248, 255, 259, 274, 281, 288, 301, 302, 316, 325, 330, 339, 346, 357, 386, 393, 399, 413, 427, 442, 442, 452, 465, 497, 498, 500, 505, 509, 511, 519, 535, 540]

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

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