# A120408 (b-file synthesized from sequence entry) 1 2500 2 162000 3 3781575 4 49172480 5 432081216 6 2857680000 7 15219319500 8 68309049600 9 266863130820 10 929327871472 11 2937513954375 12 8547581952000 13 23153892070400 14 58918947333120 15 141893427649968 16 325406324160000