A083400 Numbers n such that A053664(n) and A073605(n) are primes.

3, 4, 5, 6, 27

Offset: 1

Author

Farideh Firoozbakht, Jun 07 2003

Keywords

• more
• nonn

Examples

			a(4)=6 because A053664(6)=29243 and A073605(6)=787 are primes.
		

Crossrefs

Cf. A053664, A073605, A083376.

Programs

Mathematica

For[k = 0, k < 1415, If[PrimeQ[ChineseRemainder[Range[k], Prime[Range[k]]]] && PrimeQ[ChineseRemainder[ -Range[k], Prime[Range[k]]]], Print[k]], k++ ]