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A082345
Permutation of natural numbers induced by the Catalan bijection gma082345 acting on the parenthesizations encoded by A014486/A063171.
8
0, 1, 3, 2, 7, 8, 6, 4, 5, 17, 18, 20, 21, 22, 16, 19, 14, 9, 10, 15, 11, 13, 12, 45, 46, 48, 49, 50, 54, 55, 57, 58, 59, 61, 62, 63, 64, 44, 47, 53, 56, 60, 42, 51, 37, 23, 24, 38, 25, 27, 26, 43, 52, 39, 28, 29, 41, 33, 35, 36, 40, 30, 34, 32, 31, 129, 130, 132, 133, 134
OFFSET
0,3
PROG
(Scheme functions implementing this automorphism on list-structures:)
(define (gma082345! s) (cond ((pair? s) (gma069767! s) (gma082345! (cdr s)))) s)
CROSSREFS
Inverse of A082346. Occurs in A073200 as row 66. Cf. also A069767, A073288-A073289, A082347-A082348.
Sequence in context: A069770 A129612 A154455 * A122327 A154452 A130999
KEYWORD
nonn
AUTHOR
Antti Karttunen, Apr 17 2003
STATUS
approved