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Search: id:A135453
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A135453 a(n)=12*n^2. +0
1
12, 48, 108, 192, 300, 432, 588, 768, 972, 1200, 1452, 1728, 2028, 2352, 2700, 3072, 3468, 3888, 4332, 4800, 5292, 5808, 6348, 6912, 7500, 8112, 8748, 9408, 10092, 10800, 11532, 12288, 13068, 13872, 14700, 15552, 16428, 17328, 18252, 19200 (list; graph; listen)
OFFSET

1,1

COMMENT

Areas of perfect 4:3 rectangles.

EXAMPLE

192 is on the list since 16*12 is a 4:3 rectangle with integer sides and an area of 192

MATHEMATICA

Table[12*n^2, {n, 1, 60}] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Dec 17 2007

CROSSREFS

Sequence in context: A044114 A044495 A009958 this_sequence A006564 A059162 A117027

Adjacent sequences: A135450 A135451 A135452 this_sequence A135454 A135455 A135456

KEYWORD

easy,nonn

AUTHOR

Ben Thurston (benthurston27(AT)yahoo.com), Dec 14 2007

EXTENSIONS

More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Dec 17 2007

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Last modified July 23 10:48 EDT 2008. Contains 142285 sequences.


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