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.

A271733 Number of set partitions of [n] with maximal block length multiplicity equal to four.

Table of values

n a(n)
4 1
5 0
6 15
7 35
8 385
9 2331
10 13335
11 88110
12 629200
13 4811235
14 35992957
15 276332420
16 2325570065
17 20036259075
18 171879027000
19 1583318184855
20 14476456463826
21 139849724906591
22 1347082690705367
23 13909222770509990
24 144001190692525628
25 1519193757875044900

List of values

[1, 0, 15, 35, 385, 2331, 13335, 88110, 629200, 4811235, 35992957, 276332420, 2325570065, 20036259075, 171879027000, 1583318184855, 14476456463826, 139849724906591, 1347082690705367, 13909222770509990, 144001190692525628, 1519193757875044900]

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

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