Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
Table of n, a(n) for n=5..48.
Index entries for sequences related to trees
Column 4 of A055290.
Sequence in context: A138526 A201347 A089054 * A091773 A107055 A202840
Adjacent sequences: A055288 A055289 A055290 * A055292 A055293 A055294
Christian G. Bower, May 09 2000