# A012103 (b-file synthesized from sequence entry) 0 1 1 -1 2 -7 3 -121 4 -5167 5 -410641 6 -51771127 7 -9466034761 8 -2365187249887 9 -773771636088481 10 -320901749327353447 11 -164490143309272987801 12 -102106049239499080993807 13 -75475990780239097513548721