# A054178 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 2 4 3 5 6 6 10 7 19 8 35 9 63 10 115 11 215 12 400 13 759 14 1430 15 2735 16 5236 17 10058 18 19392 19 37503 20 72686 21 141120 22 274439 23 534633 24 1042879 25 2036824 26 3982508 27 7794887 28 15270563 29 29941088 30 58751556 31 115367299 32 226690692 33 445709729 34 876839450