# A057009 (b-file synthesized from sequence entry) 1 1 2 7 3 41 4 235 5 1361 6 7987 7 47321 8 281995 9 1685921 10 10096867 11 60524201 12 362972155 13 2177309681 14 13062280147 15 78368930681 16 470199300715 17 2821152888641 18 16926788453827 19 101560343826761 20 609360901747675 21 3656161925798801 22 21936961098633907 23 131621735219132441