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.

A152512 1/6 of the number of permutations of 5 indistinguishable copies of 1..n with exactly 5 local maxima.

Table of values

n a(n)
1 0
2 1
3 51408
4 331072352
5 1080698915350
6 2691500727775616
7 5953257961411738328
8 12474940206857421730672
9 25498614004537897031551640
10 51527434528518884637847012176
11 103587934174554666918594336695328
12 207763415020909344351469183584249792

List of values

[0, 1, 51408, 331072352, 1080698915350, 2691500727775616, 5953257961411738328, 12474940206857421730672, 25498614004537897031551640, 51527434528518884637847012176, 103587934174554666918594336695328, 207763415020909344351469183584249792]