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.

A230235 Number of permutations of [n] in which the longest increasing run has length 9.

Table of values

n a(n)
9 1
10 18
11 287
12 4512
13 72540
14 1209936
15 21064680
16 383685120
17 7315701120
18 145957544981
19 3044416187213
20 66312765615259
21 1506481046115907
22 35648661471454418
23 877558860954150150
24 22444760416001869200
25 595702609788740888400
26 16387438983202886695200

List of values

[1, 18, 287, 4512, 72540, 1209936, 21064680, 383685120, 7315701120, 145957544981, 3044416187213, 66312765615259, 1506481046115907, 35648661471454418, 877558860954150150, 22444760416001869200, 595702609788740888400, 16387438983202886695200]

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

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