# A146177 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 13 8 33 9 61 10 115 11 431 12 1359 13 5125 14 23279 15 156491 16 866819 17 5189807 18 30665629 19 248556857 20 1970821419 21 20754531695 22 214278299237