# A344049 (b-file synthesized from sequence entry) 0 1 1 7 2 648 3 173007 4 91356544 5 80031878175 6 104921038236672 7 192311632290456007 8 469591293625846038528 9 1473442955416649975287959 10 5776758846811567983984640000 11 27673221072138317786331655146207 12 159045755874087839794327707061321728 13 1080096259061106512089015938295879551727