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.

A218104 Number of transitive reflexive early confluent binary relations R on n+4 labeled elements with max_{x}(|{y : xRy}|) = n.

Table of values

n a(n)
0 0
1 1
2 1821
3 141533
4 4798983
5 124878033
6 3068829477
7 75967708311
8 1933688266686
9 51075201835515
10 1405508547112670
11 40356644902123914
12 1209368372802130814
13 37806870603888974350
14 1231961629420423620918
15 41802174277488971170242
16 1475352032068521550599837

List of values

[0, 1, 1821, 141533, 4798983, 124878033, 3068829477, 75967708311, 1933688266686, 51075201835515, 1405508547112670, 40356644902123914, 1209368372802130814, 37806870603888974350, 1231961629420423620918, 41802174277488971170242, 1475352032068521550599837]

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

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