# A192209 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 13 4 70 5 431 6 2904 7 20884 8 157881 9 1242470 10 10111281 11 84700640 12 727952319 13 6403738619 14 57563742289 15 528125896942 16 4941448428666 17 47128664659641 18 458055597979709 19 4536505547203889 20 45785021320327540 21 470972703324515813