[4,13,42,135,433,1388,4449,14260,45706,146496, 469546,1504979,4823727,15460908,49554976, 158832563,509086778,1631714194,5229935889, 16762880107,53728029453,172207945799,551957272549, 1769121798104,5670351840955,18174492018967]