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⇱ A086425 - OEIS


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A086425
Permutation of natural numbers induced by the Catalan bijection gma086425 acting on symbolless S-expressions encoded by A014486/A063171.
7
0, 1, 3, 2, 8, 7, 6, 4, 5, 22, 21, 20, 17, 18, 19, 16, 14, 9, 11, 15, 10, 13, 12, 64, 63, 62, 58, 59, 61, 57, 54, 45, 48, 55, 46, 50, 49, 60, 56, 53, 44, 47, 51, 42, 37, 23, 28, 39, 25, 33, 30, 52, 43, 38, 24, 29, 41, 27, 36, 35, 40, 26, 34, 31, 32, 196, 195, 194, 189, 190
OFFSET
0,3
PROG
(Scheme) ;; Function implementing this automorphism on list-structures:
(define (gma086425! s) (gmA057164! (gmA074684! s)))
CROSSREFS
Inverse: A086426. a(n) = A057164(A074684(n)). Occurs in A073200. Cf. also A086427, A086428, A086429, A086430, A086431.
Sequence in context: A127377 A069768 A122301 * A122354 A131160 A276622
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jun 23 2003
STATUS
approved