%I #11 Feb 24 2025 08:35:00
%S 1,2,0,12,0,0,840,0,0,50400,831600,0,0,302702400,1135134000,
%T 14529715200,0,2315673360000,15545887156800,140792940288000,
%U 443497761907200,28006062372288000,623360743125120000
%N Number of labeled rooted trees where each node at height h has 0 or h+1 children.
%H Sean A. Irvine, <a href="/A075533/b075533.txt">Table of n, a(n) for n = 1..115</a>
%H Sean A. Irvine, <a href="https://github.com/archmageirvine/joeis/blob/master/src/irvine/oeis/a075/A075533.java">Java program</a> (github)
%H <a href="/index/Ro#rooted">Index entries for sequences related to rooted trees</a>
%Y Cf. A075532, A075534.
%K nonn,changed
%O 1,2
%A _Christian G. Bower_, Sep 19 2002