A220845 Sum of exclusive heights of complete 3-ary trees on n nodes.

0, 1, 1, 1, 3, 3, 3, 4, 4, 4, 5, 5, 5, 8, 8, 8, 9, 9, 9, 10, 10, 10, 12, 12, 12, 13, 13, 13, 14, 14, 14, 16, 16, 16, 17, 17, 17, 18, 18, 18, 22, 22, 22, 23, 23, 23, 24, 24, 24, 26, 26, 26, 27, 27, 27, 28, 28, 28, 30, 30, 30, 31, 31, 31, 32, 32, 32, 35, 35, 35, 36, 36, 36, 37, 37, 37, 39, 39, 39, 40, 40, 40, 41, 41, 41, 43, 43, 43, 44, 44, 44, 45, 45, 45, 48, 48, 48, 49, 49, 49

Offset

1,5

Links

Table of n, a(n) for n=1..100.

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.

Crossrefs

Sequence in context: A050501 A327469 A105590 * A361469 A073750 A270059

Adjacent sequences: A220842 A220843 A220844 * A220846 A220847 A220848

Keyword

nonn

Author

N. J. A. Sloane, Dec 24 2012

Status

approved