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.

A147964 Number of consistent sets of 10 irreflexive binary order relationships over n objects.

Table of values

n a(n)
5 120
6 691020
7 128047374
8 6519340912
9 156097542888
10 2259242749800
11 22815705739244
12 175939638868224
13 1099964624581680
14 5812510584460580
15 26753072198342490
16 109684475412107232
17 407515671392921520
18 1390695205822539984
19 4406577363489470616
20 13079027432832437440

List of values

[120, 691020, 128047374, 6519340912, 156097542888, 2259242749800, 22815705739244, 175939638868224, 1099964624581680, 5812510584460580, 26753072198342490, 109684475412107232, 407515671392921520, 1390695205822539984, 4406577363489470616, 13079027432832437440]

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

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