References to A153185

Numbers n such that Q(n) + Q(n^2) + Q(n^3) is a perfect square where Q(n) is the sum of the digits of n.
9, 18, 45, 90, 171, 180, 207, 279, 297, 396, 414, 450, 459, 486, 567, 576, 693, 702


1 seqfan posts

Thu Jul 8 04:03:40 CEST 2010    [seqfan] A153185 == A088878

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