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.

A218103 Number of transitive reflexive early confluent binary relations R on n+3 labeled elements with max_{x}(|{y : xRy}|) = n.

Table of values

n a(n)
0 0
1 1
2 310
3 12075
4 267715
5 5287506
6 105494886
7 2185028130
8 47488375440
9 1087116745385
10 26234041133443
11 666937354457829
12 17839235553096685
13 501241620987647540
14 14769149279798467900
15 455566464561064320948
16 14685947990441112405726
17 493969048893703131221475

List of values

[0, 1, 310, 12075, 267715, 5287506, 105494886, 2185028130, 47488375440, 1087116745385, 26234041133443, 666937354457829, 17839235553096685, 501241620987647540, 14769149279798467900, 455566464561064320948, 14685947990441112405726, 493969048893703131221475]

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

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