# A248325 (b-file synthesized from sequence entry) 0 1 1 4 2 12 3 40 4 24 5 168 6 480 7 160 8 224 9 2464 10 6240 11 1440 12 1120 13 2464 14 36960 15 84864 16 14976 17 8064 18 9856 19 29568 20 561792 21 1188096 22 169728 23 69888 24 59136 25 98560 26 374528 27 8614144 28 16972800 29 2036736 30 678912 31 439296 32 506880 33 1070080 34 4922368 35 132903936 36 246105600 37 25459200 38 7128576 39 3734016 40 3294720 41 4815360