# A007313 (b-file synthesized from sequence entry) 1 1 2 -1 3 -3 4 -41 5 -1035 6 -40721 7 -2291331 8 -174783865 9 -17394878523 10 -2192620580129 11 -341767803858867 12 -64587124941406473 13 -14555427555355014123 14 -3857289820949315456817