# A318026 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 6 5 9 6 16 7 22 8 33 9 50 10 70 11 98 12 143 13 193 14 266 15 368 16 493 17 659 18 892 19 1170 20 1543 21 2035 22 2642 23 3422 24 4448 25 5694 26 7294 27 9334 28 11839 29 14982 30 18968 31 23812 32 29868 33 37410 34 46598 35 57924 36 71953 37 88913 38 109728 39 135212 40 165991 41 203407 42 248986 43 303706 44 369939 45 449967 46 545820 47 661038 48 799629