# A110424 (b-file synthesized from sequence entry) 3 6 4 40 5 70 6 6048 7 11088 8 2471040 9 4633200 10 8236800 11 14002560 12 2559871641600 13 4906420646400 14 4981904040960000 15 9607957793280000 16 17934854547456000 17 32506923867264000 18 48825552622389903360000 19 94938574543535923200000