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.

A100548 Number of n-node labeled digraphs without endpoints.

Table of values

n a(n)
0 1
1 1
2 1
3 28
4 2539
5 847126
6 987474781
7 4267529230672
8 71328353711113801
9 4706871807383903992060
10 1236666872833000506726110479
11 1297665884376581511952494336126664
12 5444003907104081585974782986977125743035
13 91341304409373044577470623665964376840167100920

List of values

[1, 1, 1, 28, 2539, 847126, 987474781, 4267529230672, 71328353711113801, 4706871807383903992060, 1236666872833000506726110479, 1297665884376581511952494336126664, 5444003907104081585974782986977125743035, 91341304409373044577470623665964376840167100920]