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.

A181225 Number of length 2n sequences p(i=0..2n-1) with 0<=p(i)<=i and having exactly n maxima.

Table of values

n a(n)
1 2
2 3
3 26
4 476
5 14905
6 708825
7 47514180
8 4264132468
9 493337571005
10 71476985762027
11 12673922434134249
12 2699365743596908540
13 679965250748621333815
14 199945129785484988046467
15 67870868805277105224767736
16 26339649115669349922436689846
17 11588494978121881119811952503395

List of values

[2, 3, 26, 476, 14905, 708825, 47514180, 4264132468, 493337571005, 71476985762027, 12673922434134249, 2699365743596908540, 679965250748621333815, 199945129785484988046467, 67870868805277105224767736, 26339649115669349922436689846, 11588494978121881119811952503395]

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

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