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 A237986 Area of smallest square containing n L's with short side lengths 1, 2, ..., n. 1
 0, 4, 16, 49, 121, 196, 324, 484, 676, 961, 1296, 1681, 2116, 2704, 3364, 3969, 4761, 5625, 6724 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..18. Erich Friedman, L's in Squares FORMULA a(n) = A211372(n)^2 EXAMPLE Illustration: . . 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 - - - . . 4 16 49 121 . CROSSREFS Sequence in context: A366608 A222936 A119005 * A086601 A224147 A227266 Adjacent sequences: A237983 A237984 A237985 * A237987 A237988 A237989 KEYWORD nonn,hard,more AUTHOR Ivan Panchenko, Feb 16 2014 STATUS approved

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Last modified December 10 07:43 EST 2023. Contains 367699 sequences. (Running on oeis4.)