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.

A217676 Number of permutations in S_n containing an increasing subsequence of length 9.

Table of values

n a(n)
9 1
10 82
11 4062
12 159404
13 5497718
14 175652924
15 5360393100
16 159281625000
17 4667810722500
18 136102249609224
19 3973117419487320
20 116645785269445696
21 3455520662446396976
22 103544836992023092832
23 3144187412886704149472
24 96883566754646092037696
25 3032518386648514382974097

List of values

[1, 82, 4062, 159404, 5497718, 175652924, 5360393100, 159281625000, 4667810722500, 136102249609224, 3973117419487320, 116645785269445696, 3455520662446396976, 103544836992023092832, 3144187412886704149472, 96883566754646092037696, 3032518386648514382974097]

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

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