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A213510 The sequence N(n) arising in the enumeration of balanced ternary trees. 0
1, 3, 5, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34, 38, 42, 46, 50, 54, 58, 62, 66, 70, 74, 78, 82, 86, 90, 94, 98, 102, 106, 110, 114, 118, 122, 126, 130, 134, 138, 142, 147, 152, 157, 162, 167, 172, 177, 182, 187, 192 (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: A298862 A198409 A330072 * A130257 A276498 A186148

Adjacent sequences:  A213507 A213508 A213509 * A213511 A213512 A213513

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 12 2012

STATUS

approved

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Last modified April 10 22:24 EDT 2021. Contains 342856 sequences. (Running on oeis4.)