A080071 - OEIS

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A080071

Top-level length of each parenthesization/root degree of general trees encoded in A080070.

0, 1, 2, 2, 3, 2, 3, 3, 3, 2, 4, 2, 3, 3, 3, 3, 4, 3, 2, 3, 4, 4, 3, 3, 2, 4, 2, 3, 4, 3, 2, 4, 3, 3, 3, 4, 3, 2, 3, 4, 3, 2, 3, 6, 3, 3, 3, 4, 3, 3, 3, 3, 3, 2, 4, 3, 2, 4, 5, 3, 2, 4, 3, 2, 3, 3, 4, 2, 4, 3, 2, 3, 5, 2, 4, 2, 6, 3, 3, 3, 3, 3, 2, 4, 2, 3, 4, 5, 5, 3, 3, 2, 5, 2, 5, 2, 3, 4, 2, 4, 3, 3, 4, 3, 2

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OFFSET

0,3

LINKS

Table of n, a(n) for n=0..104.

FORMULA

a(n) = A057515(A080068(n))

CROSSREFS

Cf. A080070, A080090.

Sequence in context: A216195 A304333 A136510 * A340862 A202472 A235613

Adjacent sequences: A080068 A080069 A080070 * A080072 A080073 A080074

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jan 27 2003

STATUS

approved