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A095153
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Number of 4-block covers of a labeled n-set.
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0
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35, 1225, 24990, 426650, 6779185, 104394675, 1585021340, 23909487700, 359582866335, 5400330984125, 81051093085690, 1216089331752750, 18243600636165485, 273669834496409575, 4105158293128058040
(list; graph; refs; listen; history; internal format)
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