A132242 Twin primes congruent to {17, 19} mod 30.
17, 19, 107, 109, 137, 139, 197, 199, 227, 229, 347, 349, 617, 619, 827, 829, 857, 859, 1277, 1279, 1427, 1429, 1487, 1489, 1607, 1609, 1667, 1669, 1697, 1699, 1787, 1789, 1877, 1879, 1997, 1999, 2027, 2029, 2087, 2089, 2237, 2239, 2267, 2269, 2657, 2659
Offset: 1
Links
- Roger L. Bagula, Table of n, a(n) for n = 1..130
- C. K. Caldwell, The Prime Pages.
- C. K. Caldwell, Twin Primes.
- Omar E. Pol, Determinacion geometrica de los numeros primos y perfectos.
Programs
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Mathematica
a[0] = 7; 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, 1000}]] (* Roger L. Bagula, May 04 2008 *)
Extensions
More terms from Roger L. Bagula, May 04 2008