# A061250 (b-file synthesized from sequence entry) 1 0 2 0 3 8 4 162 5 3072 6 62500 7 1399680 8 34588806 9 939524096 10 27894275208 11 900000000000 12 31384283767210 13 1176925259169792 14 47248516628391468 15 2022385242251558912 16 91957716979980468750 17 4427218577690292387840 18 225009351233083599856144 19 12040000871040740498079744