A131000 Signature permutation of a Catalan automorphism: row 21 of A122287.
0, 1, 3, 2, 7, 8, 6, 4, 5, 18, 17, 20, 22, 21, 16, 19, 14, 9, 10, 15, 11, 12, 13, 50, 49, 48, 46, 45, 55, 54, 61, 64, 63, 57, 62, 59, 58, 47, 44, 53, 60, 56, 42, 51, 37, 23, 24, 38, 25, 26, 27, 43, 52, 39, 28, 29, 40, 30, 32, 31, 41, 33, 34, 36, 35, 147, 148, 146, 142, 143
Offset: 0
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Inverse: A130999.
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