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.

A376064 Number of quasi-orders on an n-set that are not partial orders.

Table of values

n a(n)
0 0
1 0
2 1
3 10
4 136
5 2711
6 79504
7 3405382
8 211055975
9 18749246912
10 2365988624260
11 420564361630293
12 104490620009920522
13 36030665275081893690
14 17132727719926060775277
15 11169098098145556139435182
16 9930583626219881751366237516
17 11985408843042557809380587456695
18 19553143146433198202168306753032180

List of values

[0, 0, 1, 10, 136, 2711, 79504, 3405382, 211055975, 18749246912, 2365988624260, 420564361630293, 104490620009920522, 36030665275081893690, 17132727719926060775277, 11169098098145556139435182, 9930583626219881751366237516, 11985408843042557809380587456695, 19553143146433198202168306753032180]

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

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