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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.

A186108 Denominator of the frequency of the n-th dropping time in the Collatz iteration.

Table of values

n a(n)
1 2
2 4
3 16
4 16
5 128
6 256
7 256
8 2048
9 8192
10 32768
11 16384
12 262144
13 262144
14 2097152
15 8388608
16 16777216
17 33554432
18 134217728
19 536870912
20 1073741824
21 4294967296
22 2147483648
23 34359738368
24 137438953472
25 274877906944
26 274877906944
27 2199023255552
28 4398046511104
29 1099511627776
30 35184372088832

List of values

[2, 4, 16, 16, 128, 256, 256, 2048, 8192, 32768, 16384, 262144, 262144, 2097152, 8388608, 16777216, 33554432, 134217728, 536870912, 1073741824, 4294967296, 2147483648, 34359738368, 137438953472, 274877906944, 274877906944, 2199023255552, 4398046511104, 1099511627776, 35184372088832]

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

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