# A260917 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 7 5 13 6 23 7 41 8 74 9 132 10 236 11 422 12 754 13 1348 14 2409 15 4305 16 7694 17 13750 18 24573 19 43915 20 78481 21 140255 22 250652 23 447944 24 800528 25 1430636 26 2556712 27 4569140 28 8165581 29 14592837 30 26079086 31 46606340 32 83290915 33 148850489 34 266013023 35 475396009 36 849587598 37 1518311204 38 2713397556 39 4849154954 40 8666000202