A259241 - OEIS

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A259241

Areas of rectangles that can be completely filled with squares of side length > 1 (with all side lengths restricted to the natural numbers).

1

4, 8, 9, 12, 16, 18, 20, 24, 25, 27, 28, 30, 32, 36, 40, 42, 44, 45, 48, 49, 50, 52, 54, 55, 56, 60, 63, 64, 66, 68, 70, 72, 75, 76, 78, 80, 81, 84, 85, 88, 90, 91, 92, 96, 98, 99, 100, 102, 104, 105, 108, 110, 112, 114, 115, 116, 117, 119, 120, 121, 124, 125

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Contains all integers from A013929.

Subset of A078137.

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..250

Giovanni Resta, Illustration of the first 48 squarefree terms

EXAMPLE

See illustration in Links.

CROSSREFS

Sequence in context: A047462 A020671 A171598 * A289553 A345212 A013929

Adjacent sequences: A259238 A259239 A259240 * A259242 A259243 A259244

KEYWORD

nonn

AUTHOR

Laurance L. Y. Lau, Jun 22 2015

EXTENSIONS

a(14)-a(62) from Giovanni Resta, Jun 22 2015

STATUS

approved