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.

A159739 Number of permutations of 8 indistinguishable copies of 1..n arranged in a circle with exactly 1 local maximum.

Table of values

n a(n)
2 16
3 216
4 2592
5 29160
6 314928
7 3306744
8 34012224
9 344373768
10 3443737680
11 34093003032
12 334731302496
13 3263630199336
14 31632108085872
15 305023899399480
16 2928229434235008
17 28001193964872264
18 266834907194665104
19 2534931618349318488
20 24015141647519859360

List of values

[16, 216, 2592, 29160, 314928, 3306744, 34012224, 344373768, 3443737680, 34093003032, 334731302496, 3263630199336, 31632108085872, 305023899399480, 2928229434235008, 28001193964872264, 266834907194665104, 2534931618349318488, 24015141647519859360]