References to A175015

y-values in the solution to x^2-57*y^2=1.
0, 20, 6040, 1824060, 550860080, 166357920100, 50239541010120

1 seqfan posts

Thu Oct 29 14:05:40 CET 2009    [seqfan] Re: Exactly two subsets of proper divisors of n sum to n.

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