# A012876 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 -3 4 4 5 -40 6 370 7 -2100 8 19052 9 -224712 10 2295380 11 -27161420 12 388309832 13 -5572831680 14 85093639488 15 -1453531202760 16 26088826973648 17 -491011275101888 18 9922199896825168 19 -211576194636993072