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.

A264465 Number of permutations of [n] with exactly six (possibly overlapping) occurrences of the generalized pattern 23-1.

Table of values

n a(n)
6 11
7 240
8 3328
9 36774
10 377610
11 3775281
12 37545239
13 375714151
14 3808210872
15 39250117725
16 412320359485
17 4420852570619
18 48416817503118
19 541846406216437
20 6197311080340307
21 72436698579083259
22 865110836456018947
23 10554489471399030408
24 131500190867301682844

List of values

[11, 240, 3328, 36774, 377610, 3775281, 37545239, 375714151, 3808210872, 39250117725, 412320359485, 4420852570619, 48416817503118, 541846406216437, 6197311080340307, 72436698579083259, 865110836456018947, 10554489471399030408, 131500190867301682844]

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

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