Search: id:A066886
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%I A066886
%S A066886 5,15,65,175,671,1105,2465,3439,6095,12209,14911,25345,34481,39775,
%T A066886 51935,74465,102719,113521,150415,178991,194545,246559,285935,352529,
%U A066886 456385,515201,546415,612575,647569,721505,1024255,1124111,1285745
%N A066886 Sum of the elements in any transversal of a p(n) by p(n) array containing 
               the numbers from 1 to p(n)^2 in standard order.
%C A066886 a(n) is the sum of the primes in a p(n) by p(n) example of Haga's conjecture 
               (see link below).
%H A066886 Carlos Rivera, <a href="http://www.primepuzzles.net/conjectures/conj_026.htm">
               The prime puzzles & problems connection, conjecture 26</a>
%F A066886 a(n) = p(n)*(p(n)^2+1)/2, where p(n) is the n-th prime.
%t A066886 a[n_] := Prime[n](Prime[n]^2+1)/2
%Y A066886 Cf. A066883, A066885, A006003.
%Y A066886 Sequence in context: A149614 A149615 A149616 this_sequence A149617 A149618 
               A149619
%Y A066886 Adjacent sequences: A066883 A066884 A066885 this_sequence A066887 A066888 
               A066889
%K A066886 easy,nonn
%O A066886 1,1
%A A066886 Enoch Haga (Enokh(AT)comcast.net), Jan 22 2002
%E A066886 Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Jun 08 2002

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