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.

A263889 Number of permutations of [n] containing exactly five occurrences of the consecutive pattern 132.

Table of values

n a(n)
11 945
12 140160
13 8451954
14 354288384
15 12220104063
16 375886190592
17 10790720535960
18 297346489233408
19 8010916259737230
20 213667262746914816
21 5691371451612082740
22 152338392950319636480
23 4115775817227930936570
24 112602904310385883054080
25 3126998971137511212293880

List of values

[945, 140160, 8451954, 354288384, 12220104063, 375886190592, 10790720535960, 297346489233408, 8010916259737230, 213667262746914816, 5691371451612082740, 152338392950319636480, 4115775817227930936570, 112602904310385883054080, 3126998971137511212293880]

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

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