# A012848 (b-file synthesized from sequence entry) 0 1 1 3 2 -15 3 -1869 4 -88959 5 202499 6 974640433 7 190241481587 8 15481756625281 9 -5564353308576125 10 -3510791865515349775 11 -961065703006847944525 12 92025876595389114977025 13 299254465799630697304777347