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.

A210916 Number of transitive reflexive early confluent binary relations R on n labeled elements where |{y : xRy}| <= 8 for all x.

Table of values

n a(n)
0 1
1 1
2 4
3 26
4 243
5 2992
6 45906
7 845287
8 18182926
9 440710385
10 11876274391
11 351546957499
12 11330575607067
13 394862762014644
14 14792903605828298
15 592835563146850723
16 25306351970600498930
17 1146305330627242918543
18 54914971513967144548105
19 2773947252964889935144249

List of values

[1, 1, 4, 26, 243, 2992, 45906, 845287, 18182926, 440710385, 11876274391, 351546957499, 11330575607067, 394862762014644, 14792903605828298, 592835563146850723, 25306351970600498930, 1146305330627242918543, 54914971513967144548105, 2773947252964889935144249]

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

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