# A205671 (b-file synthesized from sequence entry) 1 1 2 -4 3 40 4 -656 5 15008 6 -440896 7 15821440 8 -670763264 9 32806349312 10 -1818238034944 11 112618994575360 12 -7709249275990016 13 577965256979161088 14 -47096523207273496576 15 4144654003816138178560 16 -391753493233853247586304