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.

A124104 Sum of the Rand distance between all pairs of set partitions of {1, 2, ... n}.

Table of values

n a(n)
1 0
2 2
3 36
4 600
5 11100
6 235560
7 5746524
8 160252456
9 5069446560
10 180479494440
11 7177165063750
12 316636751823480
13 15401586272510880
14 821382267765103590
15 47788292465454829260
16 3019446671476746981600
17 206339807951889894605488

List of values

[0, 2, 36, 600, 11100, 235560, 5746524, 160252456, 5069446560, 180479494440, 7177165063750, 316636751823480, 15401586272510880, 821382267765103590, 47788292465454829260, 3019446671476746981600, 206339807951889894605488]

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

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