# A273728 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 5 5 7 6 12 7 37 8 45 9 55 10 139 11 205 12 264 13 445 14 975 15 1111 16 1298 17 1340 18 1835 19 2264 20 2317 21 2897 22 2955 23 3001 24 4134 25 6637 26 7063 27 20613 28 114795 29 147890