# A249027 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 1 5 2 6 6 7 1 8 2 9 12 10 24 11 1 12 2 13 24 14 576 15 120 16 1 17 2 18 48 19 55296 20 161280 21 720 22 1 23 2 24 96 25 36972288 26 2781803520 27 812851200 28 5040 29 1 30 2 31 192 32 6268637952000 33 52260618977280 34 994393803303936000 35 61479419904000 36 40320