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%I #6 Jan 12 2024 07:48:06
%S 0,1,1,2,2,2,3,3,6,3,4,4,4,14,4,5,5,5,15,11,5,6,6,6,6,14,15,6,7,7,16,
%T 7,42,43,16,7,8,8,19,8,51,52,19,20,8,9,9,9,37,9,28,37,121,149,9,10,10,
%U 10,38,10,29,38,122,150,25,10,11,11,11,39,11,11,39,123,151,28,29,11,12,12,12,40,30,12,40,124,152,84,85,30,12,13,13,13,41,33,13,41,125,153
%N Lower triangular region of A082860.
%H Antti Karttunen, <a href="http://www.iki.fi/~kartturi/matikka/Nekomorphisms/ACO1.htm">Alternative Catalan Orderings</a> (with the complete Scheme source)
%o (Scheme-functions showing the essential idea. For the full source, follow the "Alternative Catalan Orderings" link.)
%o (define (A082861 n) (A080300 (parenthesization->binexp (LCSB (binexp->parenthesization (A014486 (A003056 n))) (binexp->parenthesization (A014486 (A002262 n)))))))
%Y Cf. A082859, A003056, A002262.
%K nonn,tabl
%O 0,4
%A _Antti Karttunen_, May 06 2003
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