Problems(1)
Determine for which values of n it is possible to tile a square of side n with figures of the type shown in the picture[asy]
unitsize(0.4 cm);draw((0,0)--(5,0));
draw((0,1)--(5,1));
draw((1,2)--(4,2));
draw((2,3)--(3,3));
draw((0,0)--(0,1));
draw((1,0)--(1,2));
draw((2,0)--(2,3));
draw((3,0)--(3,3));
draw((4,0)--(4,2));
draw((5,0)--(5,1));
[/asy] combinatoricsTiling