%I #15 Aug 17 2022 12:02:45
%S 1,1,1,1,1,3,1,1,3,7,1,1,3,8,20,1,1,3,8,22,55,1,1,3,8,23,63,162,1,1,3,
%T 8,23,65,188,477,1,1,3,8,23,66,196,564,1450,1,1,3,8,23,66,198,590,
%U 1732,4446,1,1,3,8,23,66,199,598,1824,5384,13858,1,1,3,8,23,66,199,600,1850
%N Triangle of coefficients in expansion of enumerators for series-reduced rooted trees by lines at the root.
%D J. Riordan, The blossoming of Schroeder's fourth problem, Acta Math., 137 (1976), 1-16.
%H Sean A. Irvine, <a href="https://github.com/archmageirvine/joeis/blob/master/src/irvine/oeis/a058/A058735.java">Java program</a> (github)
%H <a href="/index/Ro#rooted">Index entries for sequences related to rooted trees</a>
%e Triangle begins:
%e 1;
%e 1,1;
%e 1,1,3;
%e 1,1,3,7;
%e ...
%Y Main diagonal is A058737.
%Y Cf. A000669 (row sums).
%K nonn,tabl
%O 0,6
%A _N. J. A. Sloane_, Jan 01 2001
%E More terms from _Vladeta Jovovic_, May 07 2005