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%I #3 May 01 2014 02:47:42
%S 1,3,6,7,16,42,8,19,51,52,17,44,126,127,385,18,47,135,136,413,414,20,
%T 53,154,155,475,476,477,21,56,163,164,503,504,505,506,22,60,177,178,
%U 551,552,553,554,555,45,128,390,391,1243,1244,1245,1246,1247,4089,46
%N The upper triangular region of A072764.
%H A. Karttunen, <a href="http://www.iki.fi/~kartturi/matikka/Nekomorphisms/gatomorf.htm">Gatomorphisms</a> (with the complete Scheme source)
%o (Scheme function showing the general idea:) (define (A072773 n) (CatalanRankGlobal (parenthesization->binexp (cons (binexp->parenthesization (A014486 (A003056 n))) (binexp->parenthesization (A014486 (A002262 n)))))))
%Y Cf. also A014486, A003056, A002262.
%K nonn,tabl
%O 0,2
%A _Antti Karttunen_, Jun 12 2002