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.

A000467 Number of permutations of [n] in which the longest increasing run has length 6.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 0
6 1
7 12
8 137
9 1602
10 19710
11 257400
12 3574957
13 52785901
14 827242933
15 13730434111
16 240806565782
17 4452251786946
18 86585391630673
19 1767406549387381
20 37790452850585180
21 844817788372455779
22 19711244788916894489
23 479203883157602851294

List of values

[0, 0, 0, 0, 0, 1, 12, 137, 1602, 19710, 257400, 3574957, 52785901, 827242933, 13730434111, 240806565782, 4452251786946, 86585391630673, 1767406549387381, 37790452850585180, 844817788372455779, 19711244788916894489, 479203883157602851294]

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

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