# A309173 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 6 5 10 6 15 7 23 8 34 9 50 10 71 11 100 12 140 13 195 14 268 15 363 16 487 17 650 18 865 19 1145 20 1505 21 1962 22 2541 23 3275 24 4208 25 5390 26 6879 27 8740 28 11053 29 13917 30 17459 31 21837 32 27244 33 33906 34 42085 35 52085 36 64268 37 79071 38 97025 39 118772 40 145082 41 176869 42 215204 43 261333 44 316705 45 383019