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.

A263891 Number of permutations of [n] containing exactly seven occurrences of the consecutive pattern 132.

Table of values

n a(n)
15 135135
16 76769280
17 10623587400
18 869421477888
19 53506915544340
20 2760751748210688
21 126815221020754440
22 5382400437244477440
23 216344464203055466790
24 8377766827724961054720
25 316434243063274830653400
26 11764325342293663024742400
27 433465553417224967969040900

List of values

[135135, 76769280, 10623587400, 869421477888, 53506915544340, 2760751748210688, 126815221020754440, 5382400437244477440, 216344464203055466790, 8377766827724961054720, 316434243063274830653400, 11764325342293663024742400, 433465553417224967969040900]

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

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