A082859 Lower triangular region of A082858.

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, 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, 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

Offset

0,6

Links

Table of n, a(n) for n=0..119.

Antti Karttunen, Alternative Catalan Orderings (with the complete Scheme source)

Prog

(Scheme-functions showing the essential idea. For the full source, follow the "Alternative Catalan Orderings" link.)
(define (A082859 n) (A080300 (parenthesization->binexp (GCSB (binexp->parenthesization (A014486 (A003056 n))) (binexp->parenthesization (A014486 (A002262 n)))))))

Crossrefs

Cf. A082861, A003056, A002262.

Sequence in context: A176079 A067586 A078879 * A083537 A231353 A135830

Adjacent sequences: A082856 A082857 A082858 * A082860 A082861 A082862

Keyword

nonn,tabl

Author

Antti Karttunen, May 06 2003

Status

approved