# A371025 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 0 4 3 5 2 6 0 7 15 8 18 9 6 10 0 11 105 12 174 13 108 14 24 15 0 16 945 17 1950 18 1710 19 720 20 120 21 0 22 10395 23 25290 24 28080 25 16920 26 5400 27 720 28 0 29 135135 30 374850 31 497070 32 383040 33 176400 34 45360 35 5040 36 0 37 2027025 38 6267870 39 9574740 40 8883000 41 5266800 42 1965600 43 423360 44 40320