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.

A303876 a(n) is (apparently) the largest number k whose Collatz (or '3x+1') trajectory includes the number k + n.

Table of values

n a(n)
1 7287
2 7286
3 9229
4 9228
5 9227
6 9226
7 6147
8 9224
9 2299
10 9222
11 9221
12 9220
13 4255
14 3335
15 4843
16 4086
17 7271
18 4598
19 4839
20 3057
21 5003
22 1758
23 7265
24 6130
25 8511
26 8510
27 6671
28 6670
29 7259
30 4586
31 6667
32 7023
33 11347
34 11346
35 15039
36 15131
37 14695
38 8892
39 13447
40 6114
41 10007
42 10006

List of values

[7287, 7286, 9229, 9228, 9227, 9226, 6147, 9224, 2299, 9222, 9221, 9220, 4255, 3335, 4843, 4086, 7271, 4598, 4839, 3057, 5003, 1758, 7265, 6130, 8511, 8510, 6671, 6670, 7259, 4586, 6667, 7023, 11347, 11346, 15039, 15131, 14695, 8892, 13447, 6114, 10007, 10006]