A132241 Twin primes congruent to {11, 13} mod 30.

11, 13, 41, 43, 71, 73, 101, 103, 191, 193, 281, 283, 311, 313, 431, 433, 461, 463, 521, 523, 641, 643, 821, 823, 881, 883, 1031, 1033, 1061, 1063, 1091, 1093, 1151, 1153, 1301, 1303, 1451, 1453, 1481, 1483, 1721, 1723, 1871, 1873

Offset: 1

Author

Omar E. Pol, Aug 15 2007

Keywords

• easy
• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000
• C. K. Caldwell, The Prime Pages.
• C. K. Caldwell, Twin Primes.

Crossrefs

Cf. A000040, A001097, A001359, A006512, A039949, A068231.

Programs

Mathematica

a[0]=1;a[n_]:=a[n]=a[n-1]+10;Flatten[Table[If[PrimeQ[a[n]]&&PrimeQ[a[n]+2],{a[n],a[n]+2},{}],{n,0,200}]] (* Vincenzo Librandi, Aug 15 2012 *)