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.

A247272 Odd numbers m containing 256 as the highest power of 2 in their Collatz (3x+1) iteration.

Table of values

n a(n)
1 75
2 85
3 113
4 267
5 301
6 401
7 453
8 475
9 535
10 633
11 713
12 803
13 951
14 1069
15 1205
16 1267
17 1425
18 1427
19 1605
20 1611
21 1689
22 1813
23 1901
24 2141
25 2251
26 2417
27 2533
28 2667
29 2671
30 2811
31 2851
32 2853
33 3001
34 3003
35 3163
36 3213
37 3223
38 3377
39 3379
40 3559
41 3561
42 3751
43 3801
44 3805
45 3819
46 3951
47 4001
48 4007
49 4217
50 4277

List of values

[75, 85, 113, 267, 301, 401, 453, 475, 535, 633, 713, 803, 951, 1069, 1205, 1267, 1425, 1427, 1605, 1611, 1689, 1813, 1901, 2141, 2251, 2417, 2533, 2667, 2671, 2811, 2851, 2853, 3001, 3003, 3163, 3213, 3223, 3377, 3379, 3559, 3561, 3751, 3801, 3805, 3819, 3951, 4001, 4007, 4217, 4277]

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

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