# A054949 (b-file synthesized from sequence entry) 1 1 2 1 3 19 4 1612 5 565276 6 734799976 7 3523103676184 8 63519230066936512 9 4400411105398828102336 10 1190433708177460323642937216 11 1270463865199882936737403300783744 12 5381067966904826663696685903449569172992 13 90765788839502187660342772995967835888789034496