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.

A282169 a(n) is the minimal product of a positive integer sequence of length n with no duplicate substrings of length greater than 1, and every number different from its neighbors.

Table of values

n a(n)
1 1
2 2
3 2
4 6
5 6
6 24
7 24
8 120
9 120
10 576
11 720
12 2880
13 4320
14 17280
15 30240
16 120960
17 241920
18 967680
19 1935360
20 8709120
21 17418240
22 87091200
23 174182400
24 870912000
25 1741824000
26 9580032000
27 19160064000
28 104509440000
29 229920768000
30 1149603840000
31 2759049216000
32 13795246080000
33 33108590592000
34 165542952960000
35 430411677696000

List of values

[1, 2, 2, 6, 6, 24, 24, 120, 120, 576, 720, 2880, 4320, 17280, 30240, 120960, 241920, 967680, 1935360, 8709120, 17418240, 87091200, 174182400, 870912000, 1741824000, 9580032000, 19160064000, 104509440000, 229920768000, 1149603840000, 2759049216000, 13795246080000, 33108590592000, 165542952960000, 430411677696000]

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

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