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A125982
Signature-permutation of the inverse of Deutsch's 2000 bijection on ordered trees.
4
0, 1, 3, 2, 8, 6, 7, 4, 5, 22, 19, 20, 14, 15, 21, 16, 17, 9, 10, 18, 11, 13, 12, 64, 60, 61, 51, 52, 62, 53, 54, 37, 38, 55, 39, 41, 40, 63, 56, 57, 42, 43, 58, 44, 45, 23, 24, 46, 25, 27, 26, 59, 47, 48, 28, 29, 50, 33, 36, 34, 49, 30, 35, 31, 32, 196, 191, 192, 177, 178
OFFSET
0,3
PROG
(MIT Scheme implementation of this automorphism that acts on S-expressions, i.e. list-structures:) (define (*A125982 s) (cond ((null? s) s) (else (map *A125982 (cons (except-last-pair s) (car (last-pair s)))))))
CROSSREFS
Inverse: A125981. A125984 gives the A057163-conjugate.
Sequence in context: A130960 A130927 A057162 * A125983 A130364 A130995
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jan 02 2007
STATUS
approved