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.

A159738 Number of permutations of 7 indistinguishable copies of 1..n arranged in a circle with exactly 1 local maximum.

Table of values

n a(n)
2 14
3 168
4 1792
5 17920
6 172032
7 1605632
8 14680064
9 132120576
10 1174405120
11 10334765056
12 90194313216
13 781684047872
14 6734508720128
15 57724360458240
16 492581209243648
17 4186940278571008
18 35465847065542656
19 299489375220137984

List of values

[14, 168, 1792, 17920, 172032, 1605632, 14680064, 132120576, 1174405120, 10334765056, 90194313216, 781684047872, 6734508720128, 57724360458240, 492581209243648, 4186940278571008, 35465847065542656, 299489375220137984]