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A211372
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Side length of smallest square containing n L's with short sides 1, 2, ..., n.
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2
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OFFSET
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1,1
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COMMENTS
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Known upper bounds for the next terms are: a(11) <= 41, a(12) <= 46, a(13) <= 51, a(14) <= 57, a(15) <= 63, a(16) <= 69, a(17) <= 75, a(18) <= 82, a(19) <= 88, a(20) <= 95. - Arkadiusz Wesolowski, Feb 10 2016
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LINKS
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EXAMPLE
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Illustration:
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. a - b b a - - - - b b b b - - - - - - - - a b b
. a a b b a a c c c b b b b - - - - - - - a a b b
. b b b b c c c b b a a - - - - - - - b b b b
. b b b b c c c b b a - d d d d - - - b b b b
. c c c c c c - d d d d - c c c c c c
. c c c c c c - d d d d - c c c c c c
. c c c c c c - d d d d - c c c c c c
. d d d d d d d d c c c
. d d d d d d d d c c c
. d d d d d d d d c c c
. d d d d d d d d - - -
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. 2 4 7 11
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CROSSREFS
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KEYWORD
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nonn,hard,more
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AUTHOR
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STATUS
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approved
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