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.

A152510 1/60 of the number of permutations of 5 indistinguishable copies of 1..n with exactly 3 local maxima.

Table of values

n a(n)
1 0
2 2
3 1066
4 328314
5 87554515
6 22414176982
7 5672480870616
8 1431066048773744
9 360732335571459920
10 90911141639422741152
11 22910020941551289849856
12 5773350885207751422091264
13 1454885995214232796339050240
14 366631366567387199476086758912
15 92391110171365499708617443239936

List of values

[0, 2, 1066, 328314, 87554515, 22414176982, 5672480870616, 1431066048773744, 360732335571459920, 90911141639422741152, 22910020941551289849856, 5773350885207751422091264, 1454885995214232796339050240, 366631366567387199476086758912, 92391110171365499708617443239936]

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

Content is available under The OEIS End-User License Agreement.