A213513 - OEIS

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A213513

The sequence Z(n) arising in the enumeration of balanced ternary trees.

0

1, 3, 4, 5, 8, 10, 12, 13, 14, 15, 16, 17, 18, 22, 25, 28, 30, 32, 34, 36, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 63, 67, 71, 74, 77, 80, 83, 86, 89, 91

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

See Cha (2012) for the precise definition.

LINKS

Table of n, a(n) for n=1..50.

Sung-Hyuk Cha, On Integer Sequences Derived from Balanced k-ary Trees, Applied Mathematics in Electrical and Computer Engineering, 2012.

Sung-Hyuk Cha, On Complete and Size Balanced k-ary Tree Integer Sequences, International Journal of Applied Mathematics and Informatics, Issue 2, Volume 6, 2012, pp. 67-75. - From N. J. A. Sloane, Dec 24 2012

CROSSREFS

Sequence in context: A202104 A190246 A117483 * A344168 A239142 A028288

Adjacent sequences: A213510 A213511 A213512 * A213514 A213515 A213516

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 12 2012

STATUS

approved