# A221942 (b-file synthesized from sequence entry) 0 2 1 3 2 4 3 6 4 8 5 12 6 17 7 25 8 35 9 50 10 71 11 101 12 143 13 202 14 286 15 404 16 572 17 809 18 1144 19 1619 20 2289 21 3238 22 4579 23 6476 24 9158 25 12952 26 18317 27 25905 28 36635 29 51810 30 73271 31 103621 32 146542 33 207243 34 293085 35 414486 36 586171 37 828972 38 1172343 39 1657944 40 2344687 41 3315888 42 4689374 43 6631776 44 9378748 45 13263553 46 18757497 47 26527107