# A232997 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 50 4 625 5 15625 6 1953125 7 488281250 8 152587890625 9 95367431640625 10 298023223876953125 11 1862645149230957031250 12 14551915228366851806640625 13 227373675443232059478759765625 14 17763568394002504646778106689453125 15 2775557561562891351059079170227050781250