# A122105 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 1 4 11 5 101 6 932 7 9080 8 94852 9 1066644 10 12905784 11 167622984 12 2330016768 13 34551794304 14 544873631616 15 9110134903680 16 161038110977280 17 3001678242428160 18 58853489050759680 19 1211082030609016320 20 26101332373130496000 21 588033071962511616000