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.

A152514 1/7 of the number of permutations of 6 indistinguishable copies of 1..n with exactly 3 local maxima.

Table of values

n a(n)
1 0
2 50
3 42035
4 22286180
5 10637332433
6 4951385566862
7 2291336707020095
8 1058974724436063848
9 489282897651319234589
10 226052182024142033107730
11 104436435218150212780973867
12 48249663449218668484434011660
13 22291347308935948403947280066153
14 10298602712004866151067473095589974

List of values

[0, 50, 42035, 22286180, 10637332433, 4951385566862, 2291336707020095, 1058974724436063848, 489282897651319234589, 226052182024142033107730, 104436435218150212780973867, 48249663449218668484434011660, 22291347308935948403947280066153, 10298602712004866151067473095589974]

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

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