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.

A282170 a(n) is the minimal product of a positive integer sequence of length n with no duplicate substrings (forward or backward) of length greater than 1, and no self-adjacent terms.

Table of values

n a(n)
1 1
2 2
3 6
4 6
5 24
6 48
7 120
8 240
9 1440
10 2880
11 10080
12 20160
13 120960
14 322560
15 1209600
16 2903040
17 17418240
18 58060800
19 174182400
20 638668800
21 3483648000
22 15328051200
23 38320128000
24 199264665600
25 919683072000
26 4828336128000
27 11955879936000
28 71735279616000
29 334764638208000
30 1506440871936000
31 5021469573120000
32 30128817438720000

List of values

[1, 2, 6, 6, 24, 48, 120, 240, 1440, 2880, 10080, 20160, 120960, 322560, 1209600, 2903040, 17418240, 58060800, 174182400, 638668800, 3483648000, 15328051200, 38320128000, 199264665600, 919683072000, 4828336128000, 11955879936000, 71735279616000, 334764638208000, 1506440871936000, 5021469573120000, 30128817438720000]

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

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