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A057123
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Global ranks of terms of A057122: tells which terms of A014486 form rooted plane binary trees also when interpreted as codes for ordinary rooted planar trees.
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19
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0, 2, 12, 16, 91, 99, 124, 140, 165, 868, 881, 944, 970, 1014, 1213, 1221, 1364, 1398, 1442, 1633, 1649, 1736, 1887, 9474, 9493, 9619, 9657, 9727, 10317, 10330, 10606, 10657, 10727, 11130, 11156, 11295, 11550, 13452, 13465, 13528, 13554, 13598
(list; graph; refs; listen; history; internal format)
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