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%I #21 Aug 13 2020 18:25:49
%S 2,4,7,11,14,18,22,26,31,36
%N Side length of smallest square containing n L's with short sides 1, 2, ..., n.
%C 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
%H Erich Friedman, <a href="https://erich-friedman.github.io/packing/clinsqu/">L's in Squares</a>
%e Illustration:
%e .
%e . a - b b a - - - - b b b b - - - - - - - - a b b
%e . a a b b a a c c c b b b b - - - - - - - a a b b
%e . b b b b c c c b b a a - - - - - - - b b b b
%e . b b b b c c c b b a - d d d d - - - b b b b
%e . c c c c c c - d d d d - c c c c c c
%e . c c c c c c - d d d d - c c c c c c
%e . c c c c c c - d d d d - c c c c c c
%e . d d d d d d d d c c c
%e . d d d d d d d d c c c
%e . d d d d d d d d c c c
%e . d d d d d d d d - - -
%e .
%e . 2 4 7 11
%e .
%K nonn,hard,more
%O 1,1
%A _Arkadiusz Wesolowski_, Feb 06 2013
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