# A104601 (b-file synthesized from sequence entry) 1 1 2 0 3 2 4 0 5 4 6 6 7 0 8 1 9 45 10 24 11 0 12 0 13 90 14 432 15 120 16 0 17 0 18 78 19 2248 20 4200 21 720 22 0 23 0 24 36 25 5776 26 43000 27 43200 28 5040 29 0 30 0 31 9 32 9066 33 222925 34 755100 35 476280 36 40320 37 0 38 0 39 1 40 9696 41 727375 42 6700500 43 13003620 44 5644800 45 362880 46 0 47 0 48 0 49 7480 50 1674840