Template:Sequence of the Day for March 16

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

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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)  ∼  2 n  (n  − 1) n!  .