# A053676 (b-file synthesized from sequence entry) 1 7 2 41 3 465 4 2732 5 3005 6 20648 7 48125 8 94396 9 129299 10 282931 11 789281 12 835050 13 1241217 14 1292143 15 1521647 16 1603655 17 2756953 18 4847702 19 5128447 20 6242598