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.

A264174 Number of permutations of [n] with exactly one occurrence of the consecutive pattern 1324.

Table of values

n a(n)
4 1
5 10
6 86
7 782
8 7571
9 78726
10 882997
11 10657118
12 137977980
13 1910131680
14 28178987795
15 441555002430
16 7326966011380
17 128386409972224
18 2369404379818067
19 45945570232645676
20 934057289766619391
21 19867567809865839562
22 441307130768553551181
23 10218971845916640741804

List of values

[1, 10, 86, 782, 7571, 78726, 882997, 10657118, 137977980, 1910131680, 28178987795, 441555002430, 7326966011380, 128386409972224, 2369404379818067, 45945570232645676, 934057289766619391, 19867567809865839562, 441307130768553551181, 10218971845916640741804]

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

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