# A259408 (b-file synthesized from sequence entry) 1 1 2 2 3 5 4 16 5 69 6 416 7 3277 8 33590 9 430131 10 6700328 11 124069971 12 2680915918 13 66579269891 14 1876496610172 15 59387269231505 16 2091422223924852 17 81321166136299741 18 3467614972592015460