# A009426 (b-file synthesized from sequence entry) 0 0 1 1 2 -1 3 5 4 -12 5 89 6 -345 7 3093 8 -17136 9 182097 10 -1334025 11 16371365 12 -150969324 13 2101489961 14 -23556117585 15 367038504693 16 -4870660226880 17 84100519126561 18 -1293871061371761 19 24562906630580293 20 -430689316852061740