# A081712 (b-file synthesized from sequence entry) 1 4 2 6 3 7 4 8 5 10 6 20 7 21 8 26 9 101 10 119 11 172 12 409 13 621 14 1043 15 1204 16 1283 17 1673 18 2003 19 4336 20 5773 21 12913 22 13517