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Template:Sequence of the Day for March 16

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Intended for: March 16, 2012

Timetable

  • First draft entered by Daniel Forgues on March 15, 2018
  • Draft to be reviewed by January 16, 2012
  • Draft to be approved by February 16, 2012

Yesterday's SOTD * Tomorrow's SOTD

The line below marks the end of the <noinclude> ... </noinclude> section.



A000273: Number of directed graphs (or digraphs) with
n
nodes, for
n   ≥   0
.
{ 1, 1, 3, 16, 218, 9608, 1540944, 882033440, 1793359192848, ... }

The asymptotic behavior of the sequence is given by

a (n)  ∼ 
2n  (n  − 1)
n!
 .