# A145892 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 12 5 12 6 72 7 48 8 144 9 432 10 144 11 1440 12 2880 13 720 14 2880 15 17280 16 17280 17 2880 18 43200 19 172800 20 129600 21 17280 22 86400 23 864000 24 1728000 25 864000 26 86400 27 1814400 28 12096000 29 18144000 30 7257600 31 604800 32 3628800 33 54432000 34 181440000 35 181440000 36 54432000 37 3628800