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.

A159732 Number of permutations of 4 indistinguishable copies of 1..n arranged in a circle with exactly 6 local maxima.

Table of values

n a(n)
1 0
2 0
3 54
4 12567720
5 119680098150
6 457910784728832
7 1152580724912369872
8 2325519418356488523376
9 4138431357280201527601098
10 6834997239521756743833978200
11 10782136408891841006600677065580
12 16520643455191910592561745395862392
13 24835181066659843578699104675655772246

List of values

[0, 0, 54, 12567720, 119680098150, 457910784728832, 1152580724912369872, 2325519418356488523376, 4138431357280201527601098, 6834997239521756743833978200, 10782136408891841006600677065580, 16520643455191910592561745395862392, 24835181066659843578699104675655772246]

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

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