# A074524 (b-file synthesized from sequence entry) 0 3 1 17 2 131 3 1073 4 8963 5 75857 6 649091 7 5606513 8 48811523 9 427774097 10 3769259651 11 33358386353 12 296270823683 13 2638754838737 14 23555015527811 15 210638693604593 16 1886253119421443 17 16909812213653777 18 151723048894909571