# A167016 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 9 4 70 5 755 6 10166 7 161350 8 2917524 9 58811631 10 1302452122 11 31362843270 12 814897356483 13 22712570157056 14 675859219349848 15 21387996239065027 16 717377276724961024 17 25427514619872897327 18 949918395837579798600