A082859 - OEIS

%I #6 Jan 12 2024 07:47:55

%S 0,0,1,0,1,2,0,1,1,3,0,1,2,1,4,0,1,2,1,2,5,0,1,2,3,2,2,6,0,1,1,3,1,1,

%T 3,7,0,1,1,3,1,1,3,3,8,0,1,2,1,4,2,2,1,1,9,0,1,2,1,4,2,2,1,1,4,10,0,1,

%U 2,1,4,5,2,1,1,4,4,11,0,1,2,1,2,5,2,1,1,2,2,5,12,0,1,2,1,2,5,2,1,1,2,2,5,5,13,0,1,2,3,4,2,6,3,3,4,4,4,2,2,14

%N Lower triangular region of A082858.

%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 (A082859 n) (A080300 (parenthesization->binexp (GCSB (binexp->parenthesization (A014486 (A003056 n))) (binexp->parenthesization (A014486 (A002262 n)))))))

%Y Cf. A082861, A003056, A002262.

%K nonn,tabl

%O 0,6

%A _Antti Karttunen_, May 06 2003