# A109822 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 1 5 4 6 6 7 1 8 7 9 18 10 24 11 1 12 11 13 46 14 96 15 120 16 1 17 16 18 101 19 326 20 600 21 720 22 1 23 22 24 197 25 932 26 2556 27 4320 28 5040 29 1 30 29 31 351 32 2311 33 9080 34 22212 35 35280 36 40320 37 1 38 37 39 583 40 5119 41 27568 42 94852 43 212976 44 322560 45 362880 46 1 47 46 48 916 49 10366 50 73639 51 342964 52 1066644