# A191470 (b-file synthesized from sequence entry) 0 1 1 0 2 2 3 -3 4 28 5 -120 6 1122 7 -8127 8 88096 9 -885216 10 11291624 11 -143432883 12 2131731944 13 -32515910232 14 555050034224 15 -9845456006487 16 190381188822016 17 -3842126730651264 18 83143449079579584 19 -1878918839085535971 20 45029979676319086976