# A188577 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 8 5 18 6 39 7 89 8 195 9 415 10 865 11 1823 12 3787 13 7869 14 16230 15 33352 16 68422 17 140013 18 285991 19 583235 20 1187718