A122351 Row 1 of A122289 and A122290. An involution of nonnegative integers.

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

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