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%I #3 Mar 30 2012 19:00:47
%S 2,19,193,101,35281,727,2269,18433,15877,7841,247501,10093,35153,
%T 727777,47041,33857,2913733,19603,1076237,486721,806737,55001,1907713,
%U 345601,193601,7581601,1037233,84701,42599377,337081,3797501,2654209
%N a(n) is the n-th prime of the form n*x^2+1.
%e a(6) is 727 because 6*1^2+1=7, 6*4^2+1=97, 6*5^2+1=151, 6*9^2+1=487, 6*10^2+1=601 and 6*11^2+1=727 are the first 6 primes of the form 6x^2+1.
%K nonn
%O 1,1
%A _John L. Drost_, Apr 28 2007
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