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.

A231610 The least k such that the Collatz (3x+1) iteration of k contains 2^n as the largest power of 2.

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 3
5 32
6 21
7 128
8 75
9 512
10 151
11 2048
12 1365
13 8192
14 5461
15 32768
16 14563
17 131072
18 87381
19 524288
20 184111
21 2097152
22 932067
23 8388608
24 5592405
25 33554432
26 13256071
27 134217728
28 26512143
29 536870912
30 357913941
31 2147483648
32 1431655765
33 8589934592
34 3817748707

List of values

[1, 2, 4, 8, 3, 32, 21, 128, 75, 512, 151, 2048, 1365, 8192, 5461, 32768, 14563, 131072, 87381, 524288, 184111, 2097152, 932067, 8388608, 5592405, 33554432, 13256071, 134217728, 26512143, 536870912, 357913941, 2147483648, 1431655765, 8589934592, 3817748707]