References to A000273

Number of directed graphs (or digraphs) with n nodes.
1, 1, 3, 16, 218, 9608, 1540944, 882033440, 1793359192848, 13027956824399552


1 seqfan posts

Fri Oct 29 05:35:16 CEST 2010    [seqfan] Implementing first 500 sequences in Java

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
Links to OEIS content are included according to The OEIS End-User License Agreement .