# A094199 (b-file synthesized from sequence entry) 1 1 2 49 3 9800 4 4412401 5 3530881200 6 4414129955298 7 7945866428953600 8 19467894010226044005 9 62298157203907977632000 10 252309651689367225339613486 11 1261554846529199611110022246400 12 7632433016288078444696820350362442 13 54953647052313016042619300361129676800