# A323877 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 1 5 10 6 125 7 2275 8 64673 9 3102204 10 272277040 11 46202044900 12 15442093276764 13 10171924771814520 14 13188852179018387144 15 33674263441006260931040 16 169522275849148918884400912 17 1685048703908907788901122512512 18 33116110237646373502366665503208064 19 1288337109916947580133035603563656989952 20 99320901948403913391024993536094346775110656