# A012019 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 -2 4 -11 5 16 6 301 7 -104 8 -15287 9 -20096 10 1239481 11 4427776 12 -146243459 13 -954111872 14 23567903269 15 243390205696 16 -4951201340399 17 -75389245067264 18 1307274054385393 19 28248828019830784 20 -420773143716828539