A218557 - OEIS

%I #6 Nov 02 2012 17:11:57

%S 2,2,3,5,7,11,19,29,47,79,127,199,331,521,853,1367,2207,3571,5779,

%T 9349,15131,24481,39607,64081,103687,167771,271451,439217,710663,

%U 1149857,1860503,3010349,4870861,7881221,12752053,20633279,33385291,54018521,87403831

%N Smallest prime >= n-th Lucas number.

%e a(6) = 19 because 19 is the smallest prime not less than 18 (the 6th Lucas number).

%t NextPrime/@(LucasL[Range[0,50]]-1)

%Y Cf. A000204, A138185.

%K nonn

%O 0,1

%A _Michel Lagneau_, Nov 02 2012