References to A000307

Number of 4-level labeled rooted trees with n leaves.
1, 1, 4, 22, 154, 1304, 12915, 146115, 1855570, 26097835, 402215465, 6734414075


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 .