# A012962 (b-file synthesized from sequence entry) 0 0 1 2 2 -1 3 8 4 -30 5 366 6 -2655 7 41652 8 -514668 9 9980586 10 -173007765 11 4004890848 12 -89829444474 13 2436388004358 14 -66690826525323 15 2084372053480332 16 -67131989795427480 17 2384198449214048082 18 -88073922412026784233