# A012218 (b-file synthesized from sequence entry) 0 1 1 -5 2 129 3 -7741 4 830529 5 -139115349 6 33466193409 7 -10924199283981 8 4643317555286145 9 -2490727724722757925 10 1645111995753399461505 11 -1311624218654589461390685 12 1241813393715548870981284545