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A154477 a(n) = A153240(A080068(n)) 4
0, 0, 0, 1, 0, 3, 2, 0, 1, 7, 4, 9, 8, 6, 7, 5, -6, -10, 16, 15, 10, -11, -15, 16, 22, 19, 24, 23, 18, 14, 28, 25, 21, 23, 11, -7, -26, 35, 34, 29, -18, 39, 38, 9, -8, 38, 33, -31, -35, 42, 37, 31, 32, 51, 48, -46, 54, 51, 40, -43, 58, 55, 43, 61, 60, 58, 52, 65, 62, -2, 68 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

COMMENTS

This sequence gives some indication of how well the terms of A080068 are balanced as general trees, which has some implications as to the correctness of A123050 (see comments at A080070).

LINKS

A. Karttunen, Table of n, a(n) for n = 0..512

CROSSREFS

See also A080071.

Sequence in context: A292717 A054654 A253669 * A322324 A142071 A291680

Adjacent sequences:  A154474 A154475 A154476 * A154478 A154479 A154480

KEYWORD

sign

AUTHOR

Antti Karttunen, Jan 11 2009

STATUS

approved

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Last modified April 11 16:42 EDT 2021. Contains 342888 sequences. (Running on oeis4.)