# A178217 (b-file synthesized from sequence entry) 1 1 2 12 3 464 4 38720 5 5678400 6 1294720000 7 423809075200 8 188422340198400 9 109244157102080000 10 80068011114291200000 11 72384558633074688000000 12 79125533869852634644480000