References to A178785

a(n) is the smallest n-perfect number of the form 2^(n+1)*l, where l is an odd number with exponents<=n in its prime power factorization, and a(n)=0 if such n-perfect number does not exist
60, 6552, 222768, 288288, 87360, 49585536, 25486965504, 203558400, 683289600


1 seqfan posts

Tue Jun 15 11:34:23 CEST 2010    [seqfan] an interesting but difficult sequence

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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