# A332958 (b-file synthesized from sequence entry) 1 1 2 12 3 240 4 7000 5 272160 6 13311144 7 787218432 8 54717165360 9 4375800000000 10 396040894180360 11 40038615905992704 12 4473490414613093328 13 547532797546896179200 14 72869747140722656250000 15 10478808079059531910348800 16 1619337754490833097114916960