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A103298 Number of segments of a perfect ruler with length n. 4
0, 1, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

For definitions, references and links related to complete rulers see A103294.

LINKS

Table of n, a(n) for n=0..36.

Index entries for sequences related to perfect rulers.

FORMULA

a(n) = A046693(n) - 1.

EXAMPLE

a(11)=5 means that a perfect ruler with length 11 has 5 segments.

CROSSREFS

Cf. A046693, A103297.

Sequence in context: A006670 A132914 A060646 * A082429 A047744 A163563

Adjacent sequences:  A103295 A103296 A103297 * A103299 A103300 A103301

KEYWORD

nonn

AUTHOR

Peter Luschny Feb 28 2005

STATUS

approved

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Last modified September 22 09:48 EDT 2017. Contains 292337 sequences.