id:A083930 - OEIS Search Results

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Map from binary trees of size n to the set of corresponding trivalent plane trees (tpt) represented as size 2n+1 general trees.

+0
3

0, 7, 49, 57, 439, 452, 515, 541, 585, 4612, 4631, 4757, 4795, 4865, 5455, 5468, 5744, 5795, 5865, 6268, 6294, 6433, 6688, 53200, 53226, 53448, 53500, 53604, 54935, 54954, 55430, 55501, 55605, 56356, 56394, 56601, 57003, 63294, 63313, 63439 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = A057548(A057123(n))`
	CROSSREFS	`Inverse function: A083929. Positions of A083936 in A014486.` `Sequence in context: A115589 A014390 A043070 this_sequence A036132 A084968 A008461` `Adjacent sequences: A083927 A083928 A083929 this_sequence A083931 A083932 A083933`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (MyFirstname.MySurname(AT)iki.fi) May 13 2003`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research