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.

A152518 1/36 of the number of permutations of 8 indistinguishable copies of 1..n with exactly 2 local maxima.

Table of values

n a(n)
1 0
2 7
3 1290
4 214713
5 35450244
6 5849546139
7 965177888238
8 159254380788525
9 26276973131433672
10 4335700569742873071
11 715390594038180275346
12 118039448016603095674977
13 19476508922742491987034060
14 3213623972252540268102877443
15 530247955421669426384081722614

List of values

[0, 7, 1290, 214713, 35450244, 5849546139, 965177888238, 159254380788525, 26276973131433672, 4335700569742873071, 715390594038180275346, 118039448016603095674977, 19476508922742491987034060, 3213623972252540268102877443, 530247955421669426384081722614]

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

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