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A122351 Row 1 of A122289 and A122290. An involution of nonnegative integers. 8
0, 1, 3, 2, 7, 8, 6, 4, 5, 18, 17, 20, 22, 21, 16, 19, 14, 10, 9, 15, 11, 13, 12, 49, 50, 48, 45, 46, 55, 54, 61, 63, 64, 57, 62, 58, 59, 47, 44, 53, 60, 56, 42, 51, 38, 26, 27, 37, 25, 23, 24, 43, 52, 39, 29, 28, 41, 33, 35, 36, 40, 30, 34, 31, 32, 143, 142, 146, 148, 147 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

The signature-permutation of the automorphism which is derived from the automorphism *A057163 with the recursion schema FORK (see A122201), that is, from the first non-recursive automorphism *A069770 with FORK(FORK(*A069770)) or equivalently, with KROF(KROF(*A069770)) (see A122202).

LINKS

Table of n, a(n) for n=0..69.

Index entries for signature-permutations of Catalan automorphisms

CROSSREFS

A007595 gives the number of orbits in range [A014137(n-1)..A014138(n-1)] of this permutation.

Sequence in context: A069889 A154451 A131000 * A323710 A089863 A069767

Adjacent sequences:  A122348 A122349 A122350 * A122352 A122353 A122354

KEYWORD

nonn

AUTHOR

Antti Karttunen, Sep 01 2006

STATUS

approved

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Last modified February 21 06:40 EST 2019. Contains 320371 sequences. (Running on oeis4.)