# A333544 (b-file synthesized from sequence entry) 1 1 2 2 3 12 4 4 5 6784 6 4024 7 4936 8 2704 9 1912 10 936 11 824 12 496 13 360 14 352 15 256 16 72 17 48 18 16 19 16 20 16