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

3, 4, 5, 6, 27

Offset

1,1

Links

Table of n, a(n) for n=1..5.

Example

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

Mathematica

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

Crossrefs

Cf. A053664, A073605, A083376.

Sequence in context: A346310 A083401 A281829 * A154665 A056190 A202702

Adjacent sequences: A083397 A083398 A083399 * A083401 A083402 A083403

Keyword

more,nonn

Author

Farideh Firoozbakht, Jun 07 2003

Status

approved