# A013382 (b-file synthesized from sequence entry) 0 1 1 -15 2 271 3 -8495 4 492391 5 -47885175 6 6512761711 7 -1126039513055 8 241996705222231 9 -64384007995020135 10 20971047413824897951 11 -8203471786087609654415 12 3781059328242133245372871