# A283936 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 8 5 13 6 21 7 32 8 54 9 83 10 149 11 251 12 450 13 807 14 1481 15 2696 16 4968 17 9155 18 17143 19 32009 20 60024 21 112785 22 213193 23 404285 24 766690 25 1456473 26 2773176 27 5292017 28 10125044 29 19403747