# A193752 (b-file synthesized from sequence entry) 1 1 2 4 3 1 4 1 5 4 6 16 7 1 8 1 9 1 10 4 11 1 12 16 13 16 14 1024 15 1 16 1 17 1 18 4 19 256 20 1 21 1