A237986 - OEIS

A237986

Area of smallest square containing n L's with short side lengths 1, 2, ..., n.

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

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

. d d d d d d d d c c c

. d d d d d d d d - - -

. 4 16 49 121

CROSSREFS

KEYWORD

nonn,hard,more

AUTHOR

STATUS

approved