# A059446 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 3 5 2 6 6 7 10 8 10 9 6 10 24 11 42 12 52 13 42 14 24 15 120 16 216 17 300 18 300 19 216 20 120 21 720 22 1320 23 1968 24 2268 25 1968 26 1320 27 720 28 5040 29 9360 30 14640 31 18576 32 18576 33 14640 34 9360 35 5040 36 40320 37 75600 38 122400 39 166320 40 184896 41 166320 42 122400 43 75600 44 40320