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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.

A230236 Number of permutations of [n] in which the longest increasing run has length 10.

Table of values

n a(n)
10 1
11 20
12 349
13 5954
14 103194
15 1845480
16 34288800
17 663848640
18 13406178240
19 282398538240
20 6201593613645
21 141859542537845
22 3376683552323421
23 83546513273754977
24 2146303277645066980
25 57187254952684274700
26 1578640101972070456800
27 45101111852055549981600

List of values

[1, 20, 349, 5954, 103194, 1845480, 34288800, 663848640, 13406178240, 282398538240, 6201593613645, 141859542537845, 3376683552323421, 83546513273754977, 2146303277645066980, 57187254952684274700, 1578640101972070456800, 45101111852055549981600]

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

Content is available under The OEIS End-User License Agreement.