# A013167 (b-file synthesized from sequence entry) 0 0 1 2 2 -3 3 13 4 -74 5 573 6 -5414 7 61787 8 -817144 9 12374569 10 -210429994 11 3978169039 12 -82685370668 13 1875127830925 14 -46061020851390 15 1218540977107971 16 -34537657596434704 17 1044190509028339409 18 -33542143648555416402