A091241 - OEIS

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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; text; internal format)

OFFSET

1,3

LINKS

Table of n, a(n) for n=1..8.

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: A344562 A000610 A023363 * A198076 A330675 A183313

Adjacent sequences: A091238 A091239 A091240 * A091242 A091243 A091244

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jan 03 2004

STATUS

approved