# A084207 (b-file synthesized from sequence entry) 0 1 1 1 2 -2 3 8 4 -34 5 158 6 -768 7 3858 8 -19851 9 104023 10 -552974 11 2973832 12 -16146688 13 88376636 14 -487034106 15 2699839758 16 -15043262970 17 84197804254 18 -473140314356 19 2668221663736 20 -15095165871964 21 85645090974518 22 -487190919969502