# A363411 (b-file synthesized from sequence entry) 0 1 1 1 2 -5 3 -32 4 112 5 2212 6 -5348 7 -292880 8 276976 9 64180144 10 60400144 11 -21123205376 12 -68151050240 13 9766562233792 14 57568265355328 15 -6044149831446272 16 -54001800190537472 17 4827069458763086080 18 59568915131392086784 19 -4835221290238425841664 20 -77896195282519949963264