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.

A230346 Number of permutations of [2n+6] in which the longest increasing run has length n+6.

Table of values

n a(n)
0 1
1 14
2 231
3 4512
4 103194
5 2721600
6 81591840
7 2746068480
8 102661518960
9 4224849995520
10 189917647920000
11 9263565222912000
12 487461283781472000
13 27533206366009344000
14 1661865400404937728000
15 106768864984887705600000
16 7275718977990226283520000

List of values

[1, 14, 231, 4512, 103194, 2721600, 81591840, 2746068480, 102661518960, 4224849995520, 189917647920000, 9263565222912000, 487461283781472000, 27533206366009344000, 1661865400404937728000, 106768864984887705600000, 7275718977990226283520000]

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

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