TY - JOUR AU - Nilsson, Johan TI - On counting the number of tilings of a rectangle with squares of size 1 and 2 JO - Journal of integer sequences PY - 2017 VL - 20 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JIS_2017__20_2_a1/ LA - en ID - JIS_2017__20_2_a1 ER -