# A145225 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 1 4 0 5 0 6 0 7 3 8 0 9 0 10 6 11 0 12 6 13 0 14 0 15 20 16 30 17 0 18 10 19 0 20 0 21 135 22 120 23 90 24 0 25 15 26 0 27 0 28 924 29 945 30 420 31 210 32 0 33 21 34 0 35 0 36 7420 37 7392 38 3780 39 1120 40 420 41 0 42 28 43 0 44 0 45 66744 46 66780 47 33264 48 11340 49 2520 50 756 51 0 52 36 53 0 54 0