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.

A178168 Product of the numbers in the Collatz (3x+1) trajectory of n, including n.

Table of values

n a(n)
1 1
2 2
3 153600
4 8
5 5120
6 921600
7 704889816350720000
8 64
9 2486851272085340160000
10 51200
11 4577206599680000
12 11059200
13 532480000
14 9868457428910080000
15 114523513552896000000000
16 1024
17 12238520320000
18 44763322897536122880000

List of values

[1, 2, 153600, 8, 5120, 921600, 704889816350720000, 64, 2486851272085340160000, 51200, 4577206599680000, 11059200, 532480000, 9868457428910080000, 114523513552896000000000, 1024, 12238520320000, 44763322897536122880000]

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

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