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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.

A350568 a(n)/n! is the average number of key comparisons required to perform an indirect sort of n records with distinct keys using a two-way merge (A. D. Woodall's mergesort).

Table of values

n a(n)
2 2
3 19
4 130
5 992
6 8145
7 73665
8 725630
9 7840280
10 92297011
11 1176802235
12 16129154724
13 236335661166
14 3685509077329
15 60981635041557

List of values

[2, 19, 130, 992, 8145, 73665, 725630, 7840280, 92297011, 1176802235, 16129154724, 236335661166, 3685509077329, 60981635041557]

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

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