# A013293 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 -3 5 40 6 -250 7 1008 8 -5887 9 56880 10 -263724 11 -1848000 12 36228093 13 -377490984 14 7141572490 15 -132772794000 16 1495810787297 17 -10978685025568 18 115616765332680 19 -1113424428155904 20 -36631866029794659