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.

A245861 Number of preferential arrangements of n labeled elements such that the minimal number of elements per rank equals 8.

Table of values

n a(n)
8 1
9 0
10 0
11 0
12 0
13 0
14 0
15 0
16 12870
17 48620
18 87516
19 151164
20 251940
21 406980
22 639540
23 980628
24 9466982712
25 78881427900
26 432962644400
27 1733914096200
28 6029537213700
29 19273224716460
30 58178097911700
31 168431757261300
32 100033451495909100
33 1461521434059544572

List of values

[1, 0, 0, 0, 0, 0, 0, 0, 12870, 48620, 87516, 151164, 251940, 406980, 639540, 980628, 9466982712, 78881427900, 432962644400, 1733914096200, 6029537213700, 19273224716460, 58178097911700, 168431757261300, 100033451495909100, 1461521434059544572]

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

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