# A336947 (b-file synthesized from sequence entry) 0 1 1 3 2 14 3 98 4 920 5 10792 6 151888 7 2494032 8 46803072 9 988095104 10 23178247424 11 598074306304 12 16835199087616 13 513385352524800 14 16859837094942720 15 593234633904293888 16 22265289445252628480 17 887889931920920313856 18 37489832605652634763264 19 1670894259596134872711168