# A120463 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 4 4 6 5 13 6 21 7 40 8 66 9 121 10 201 11 364 12 606 13 1093 14 1821 15 3280 16 5466 17 9841 18 16401 19 29524 20 49206 21 88573 22 147621 23 265720 24 442866 25 797161 26 1328601 27 2391484 28 3985806 29 7174453 30 11957421 31 21523360 32 35872266 33 64570081 34 107616801 35 193710244