# A048888 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 4 4 7 5 13 6 23 7 42 8 76 9 139 10 255 11 471 12 873 13 1627 14 3044 15 5718 16 10779 17 20387 18 38673 19 73561 20 140267 21 268065 22 513349 23 984910 24 1892874 25 3643569 26 7023561 27 13557019 28 26200181 29 50691977 30 98182665 31 190353369 32 369393465 33 717457655