# A066424 (b-file synthesized from sequence entry) 0 8 1 96 2 960 3 9240 4 98280 5 997920 6 9979200 7 99459360 8 994593600 9 9777287520 10 97772875200 11 995886571680 12 9958865716800 13 99588657168000 14 998456601542400 15 9948906851083200 16 98930408269492800 17 994651672331116800 18 9946516723311168000 19 99796717790555385600