@article{JIS_2017__20_2_a1,
     author = {Nilsson, Johan},
     title = {On counting the number of tilings of a rectangle with squares of size 1 and 2},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2017__20_2_a1/}
}