# A108284 (b-file synthesized from sequence entry) 1 1 2 3 3 2 4 6 5 11 6 6 7 10 8 39 9 54 10 24 11 15 12 114 13 304 14 324 15 120 16 21 17 300 18 1384 19 2664 20 2280 21 720 22 28 23 741 24 5598 25 17364 26 25800 27 18360 28 5040 29 36 30 1757 31 21054 32 99012 33 227400 34 273720 35 166320 36 40320 37 45 38 4052 39 75504 40 518592 41 1728816 42 3131400 43 3160080 44 1673280 45 362880 46 55 47 9162 48 262104 49 2564892 50 11934816 51 30523800 52 45496080 53 39473280 54 18506880 55 3628800