# A184888 (b-file synthesized from sequence entry) 0 1 1 240 2 205920 3 243443200 4 333578044800 5 497645070354432 6 784620394258821120 7 1286100339771928412160 8 2169691463830861104076800 9 3742512413364745240724275200 10 6570354792903146744615537541120