# A350025 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 16 5 30 6 480 7 1290 8 163200 9 471240 10 386400000 11 2269270080 12 12238171545600 13 149648961369600 14 8089070513113497600 15 160650421233958656000 16 91361407076595590705971200