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A079223
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Number of Catalan objects fixed by two-fold application of the gatomorphisms A057511/A057512 (Deep rotation of general parenthesizations/plane trees).
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8
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1, 1, 2, 5, 11, 26, 66, 161, 420, 1093, 2916, 7819, 21304, 58321, 161233, 448090, 1253252, 3521389, 9941693, 28175716, 80152141, 228747967, 654817275, 1879602446, 5408974390, 15601662378, 45098766532, 130624550412
(list; graph; refs; listen; history; internal format)
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