Numbers k such that 6*p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)-1 and 6*p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)+1 are twin primes with p(h) = h-th prime.

A129310

Numbers k such that 6*p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)-1 and 6*p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)+1 are twin primes with p(h) = h-th prime.

Terms

    a(0) =4a(1) =38a(2) =120a(3) =122a(4) =569a(5) =795a(6) =1250a(7) =1310a(8) =1826a(9) =3276a(10) =3610a(11) =4838a(12) =4870a(13) =4931a(14) =4982a(15) =5440a(16) =5477a(17) =5821a(18) =6582a(19) =6821a(20) =6872a(21) =7644a(22) =7875a(23) =8475a(24) =9066a(25) =9636a(26) =9733a(27) =10013a(28) =10960a(29) =11171

External references