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.

A218094 Number of transitive reflexive early confluent binary relations R on n labeled elements with max_{x}(|{y : xRy}|) = 4.

Table of values

n a(n)
4 75
5 1035
6 16025
7 267715
8 4798983
9 92374107
10 1913052805
11 42483670075
12 1008618127825
13 25519311555595
14 686016182577453
15 19536602119711495
16 587778832750221385
17 18633924653894097385
18 620967800006345098353
19 21703395396687678061639
20 793901738815689934686095

List of values

[75, 1035, 16025, 267715, 4798983, 92374107, 1913052805, 42483670075, 1008618127825, 25519311555595, 686016182577453, 19536602119711495, 587778832750221385, 18633924653894097385, 620967800006345098353, 21703395396687678061639, 793901738815689934686095]

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

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