Integers n such that 6n, 36n, and 216n fall between pairs of twin primes, that is, 6n-1, 6n+1, 36n-1, 36n+1, 216n-1, and 216n+1 are prime.
A192851
Integers n such that 6n, 36n, and 216n fall between pairs of twin primes, that is, 6n-1, 6n+1, 36n-1, 36n+1, 216n-1, and 216n+1 are prime.
Terms
- a(0) =2a(1) =12a(2) =23a(3) =45a(4) =325a(5) =703a(6) =2705a(7) =3598a(8) =4218a(9) =7338a(10) =10698a(11) =13562a(12) =16478a(13) =16665a(14) =20195a(15) =25195a(16) =29678a(17) =32312a(18) =36228a(19) =51882a(20) =79628a(21) =83522a(22) =84513a(23) =84525a(24) =89453a(25) =100028a(26) =106710a(27) =107712a(28) =108868a(29) =114527
External references
- oeis: A192851