# A274678 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 5 5 7 6 34 7 38 8 49 9 51 10 89 11 91 12 132 13 227 14 3662 15 5019 16 9729 17 25437 18 99944 19 106553 20 114577