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A130922
Signature permutation of a Catalan automorphism: composition of automorphisms *A057164 and *A074683.
2
0, 1, 3, 2, 7, 5, 8, 6, 4, 17, 12, 20, 15, 10, 18, 13, 22, 16, 11, 21, 19, 14, 9, 45, 31, 54, 40, 26, 48, 34, 61, 43, 29, 57, 52, 38, 24, 46, 32, 55, 41, 27, 50, 36, 63, 44, 30, 59, 53, 39, 25, 49, 35, 64, 47, 33, 62, 60, 42, 28, 58, 56, 51, 37, 23, 129, 87, 157, 115, 73
OFFSET
0,3
CROSSREFS
Inverse: A130921. a(n) = A057164(A074683(n)). Cf. A086426.
Sequence in context: A324556 A069888 A073281 * A353170 A263018 A372744
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jun 11 2007
STATUS
approved