# A157394 (b-file synthesized from sequence entry) 1 1 2 1 3 4 4 1 5 12 6 12 7 1 8 72 9 48 10 24 11 1 12 280 13 600 14 120 15 24 16 1 17 1740 18 4560 19 1800 20 144 21 0 22 1 23 8484 24 40740 25 21000 26 2520 27 0 28 0 29 1 30 57232 31 390432 32 223440 33 33600 34 0 35 0 36 0 37 1 38 328752 39 3811248 40 2845584 41 438480 42 0 43 0 44 0 45 0 46 1 47 2389140