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.

A174538 The smallest k such that the number of steps in the n Collatz sequences starting at k+i, i=0..n-1, is always prime.

Table of values

n a(n)
1 3
2 3
3 3
4 60
5 246
6 560
7 560
8 560
9 4722
10 4722
11 6032
12 6666
13 13956
14 13956
15 13956
16 13956
17 13956
18 13956
19 13956
20 13956
21 13956
22 13956
23 13956
24 13956
25 81488
26 81488
27 81488
28 83840
29 89535
30 89535
31 89535
32 282880
33 282984
34 282984
35 282984
36 282984

List of values

[3, 3, 3, 60, 246, 560, 560, 560, 4722, 4722, 6032, 6666, 13956, 13956, 13956, 13956, 13956, 13956, 13956, 13956, 13956, 13956, 13956, 13956, 81488, 81488, 81488, 83840, 89535, 89535, 89535, 282880, 282984, 282984, 282984, 282984]