# A146845 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 5 8 13 9 35 10 61 11 141 12 427 13 1351 14 4209 15 19211 16 75163 17 402147 18 1986547 19 12595631 20 74795099 21 557304499