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.

A225038 Numbers n such that at least one member of Collatz (3x+1) trajectory of n is >= n^2.

Table of values

n a(n)
1 1
2 3
3 7
4 27
5 31
6 41
7 47
8 54
9 55
10 62
11 63
12 71
13 73
14 82
15 83
16 91
17 94
18 95
19 6631675
20 7460635
21 319804831
22 379027947
23 426406441
24 479707247
25 568541921
26 598957743
27 639609662
28 639609663
29 719560871
30 758055894
31 758055895
32 852812882
33 852812883
34 898436615
35 959414494
36 959414495
37 1010741193
38 1079341307
39 1137083842
40 1137083843
41 1410123943

List of values

[1, 3, 7, 27, 31, 41, 47, 54, 55, 62, 63, 71, 73, 82, 83, 91, 94, 95, 6631675, 7460635, 319804831, 379027947, 426406441, 479707247, 568541921, 598957743, 639609662, 639609663, 719560871, 758055894, 758055895, 852812882, 852812883, 898436615, 959414494, 959414495, 1010741193, 1079341307, 1137083842, 1137083843, 1410123943]

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

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