Primes p such that f(f(p)) is prime, where f(x) = x^4 + x^3 + x^2 + x + 1 = A053699(x).

Terms

a(0) =1451a(1) =2351a(2) =2381a(3) =2791a(4) =5531a(5) =5981a(6) =7841a(7) =8821a(8) =10091a(9) =10501a(10) =11411a(11) =11701a(12) =12011a(13) =13241a(14) =15271a(15) =15331a(16) =16691a(17) =17231a(18) =18341a(19) =18671a(20) =19891a(21) =20981a(22) =21911a(23) =23071a(24) =23131a(25) =23561a(26) =23741a(27) =24061a(28) =25321a(29) =27361