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A091241 Size of range [Smallest GF2X-Matula number coding a tree of n nodes, Largest GF2X-Matula number coding a tree of n nodes]. 4
1, 1, 2, 6, 43, 311, 3039, 40323 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

LINKS

A. Karttunen, Scheme-program for computing this sequence.

FORMULA

a(n) = (A091240(n)-A091239(n))+1.

CROSSREFS

Compare to A091233 and A000081.

Sequence in context: A100016 A000610 A023363 * A198076 A183313 A066863

Adjacent sequences:  A091238 A091239 A091240 * A091242 A091243 A091244

KEYWORD

nonn

AUTHOR

Antti Karttunen (His-Firstname.His-Surname(AT)iki.fi), Jan 03 2004

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.