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.

A230348 Number of permutations of [2n+8] in which the longest increasing run has length n+8.

Table of values

n a(n)
0 1
1 18
2 349
3 7672
4 192240
5 5454144
6 173606040
7 6143195520
8 239656253760
9 10231052832000
10 474832908950400
11 23819880180096000
12 1284985968634368000
13 74207855717259264000
14 4569213387521502720000
15 298885288012537901875200
16 20702796608070625112064000

List of values

[1, 18, 349, 7672, 192240, 5454144, 173606040, 6143195520, 239656253760, 10231052832000, 474832908950400, 23819880180096000, 1284985968634368000, 74207855717259264000, 4569213387521502720000, 298885288012537901875200, 20702796608070625112064000]

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

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