# A189875 (b-file synthesized from sequence entry) 1 1 2 0 3 0 4 2 5 10 6 0 7 0 8 0 9 40 10 52 11 152 12 260 13 1192 14 4144 15 18408 16 71552 17 312936 18 1498156 19 7854672 20 44923706 21 213840604 22 1156549592