A163580 Primes of the form floor(k+A000217(k-1)*Pi), Pi = A000796, k integer.
5, 53, 151, 967, 1129, 2129, 2617, 2879, 4217, 4549, 6397, 6599, 7013, 7877, 8101, 8329, 9029, 10007, 10259, 11839, 12391, 26881, 30707, 35257, 35729, 36683, 37649, 41131, 41641, 49667, 50227, 56597, 63347, 71143, 75211, 79393, 82963, 102797
Offset: 1
Keywords
Links
- G. C. Greubel, Table of n, a(n) for n = 1..1000
Crossrefs
Cf. A163579
Programs
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Mathematica
s=0;lst={};Do[s+=n;p=IntegerPart[s];If[PrimeQ[p],AppendTo[lst,p]],{n, 1,7!,Pi}];lst -
PARI
for(n=1,500, m=floor(n + n*(n-1)*Pi/2); if(isprime(m), print1(m, ", "))) \\ G. C. Greubel, Jul 28 2017
Extensions
Definition clarified by R. J. Mathar, Aug 01 2009