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Numbers k such that 2*k^2 + 29 is prime.
2

%I #7 Apr 03 2022 22:51:29

%S 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,

%T 26,27,28,31,33,34,36,37,38,40,41,42,43,45,46,47,48,49,51,52,53,54,55,

%U 56,59,60,62,64,66,67,68,69,70,71,73,75,77,78,79,80,81,82

%N Numbers k such that 2*k^2 + 29 is prime.

%H Adrien-Marie Legendre, <a href="http://archive.org/details/essaisurlathor00lege">Essai sur la théorie des nombres</a>, Paris: Duprat, 1798, p. 10.

%Y Cf. A007641.

%K nonn,easy

%O 1,3

%A _Sean A. Irvine_ at the suggestion of Rémi Guillaume, Apr 03 2022