# A146726 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 3 8 7 9 15 10 27 11 51 12 141 13 615 14 2523 15 10593 16 40853 17 196793 18 1114237 19 8094209 20 59485011 21 492771709 22 4132732207 23 42832582765 24 478558556527