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A007537
Number of proper covers of an n-set.
(Formerly M5287)
+0
6
0, 1, 45, 15913, 1073579193, 4611686005542975085, 85070591730234615801280047645054636261, 28948022309329048855892746252171976961956366698726387156269151989162886489297
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.
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