id:A057123 - OEIS Search Results

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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.

+0
20

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; listen)

	OFFSET	`0,2`
	LINKS	`Index entries for sequences related to rooted trees`
	EXAMPLE	`E.g. we have codes A014486[2] = 10, A014486[12] = 180, A014486[16] = 210, A014486[91] = 2920, for which the corresponding mountain ranges are:` `................................./\/\` `......../\/\...../\/\........./\/____\` `/\/\./\/____\.../____\/\.../\/________\` `and corresponding trees have degree 3 in all non-leaf, non-root vertices:` `...............................0.0` `........0.0......0.0..........0.1.` `0.0....0.1........1.0........0.1..` `.1......1..........1..........1...`
	MAPLE	`map(CatalanRankGlobal, A057122)`
	CROSSREFS	`Sequence in context: A120300 A071566 A113802 this_sequence A134833 A057827 A082407` `Adjacent sequences: A057120 A057121 A057122 this_sequence A057124 A057125 A057126`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Aug 11 2000`

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

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