# A009481 (b-file synthesized from sequence entry) 0 1 1 -5 2 57 3 -1661 4 68529 5 -3570613 6 247557481 7 -22399292077 8 2476740370529 9 -323000223133285 10 49350756905258905 11 -8776449485870211549 12 1790258423701998409233 13 -412819053275844054102037