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A083930 Map from binary trees of size n to the set of corresponding trivalent plane trees (tpt) represented as size 2n+1 general trees. 2
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; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..39.

FORMULA

a(n) = A057548(A057123(n))

CROSSREFS

Inverse function: A083929. Positions of A083936 in A014486.

Sequence in context: A115589 A014390 A043070 * A178367 A036132 A084968

Adjacent sequences:  A083927 A083928 A083929 * A083931 A083932 A083933

KEYWORD

nonn

AUTHOR

Antti Karttunen May 13 2003

STATUS

approved

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Last modified April 5 03:15 EDT 2020. Contains 333238 sequences. (Running on oeis4.)