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.

A147881 Number of consistent sets of 8 irreflexive binary order relationships over n objects.

Table of values

n a(n)
5 3330
6 750810
7 31528980
8 572121396
9 6186026736
10 47056700160
11 277413461820
12 1346956001820
13 5610483560682
14 20631960791442
15 68410542640440
16 207816360293880
17 585602287143120
18 1545890870506608
19 3853704950392968
20 9131773574418120
21 20681704245537090
22 44975479946588730

List of values

[3330, 750810, 31528980, 572121396, 6186026736, 47056700160, 277413461820, 1346956001820, 5610483560682, 20631960791442, 68410542640440, 207816360293880, 585602287143120, 1545890870506608, 3853704950392968, 9131773574418120, 20681704245537090, 44975479946588730]

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

Content is available under The OEIS End-User License Agreement.