A126691 Prime numbers p such that 100-p is also a prime.

3, 11, 17, 29, 41, 47, 53, 59, 71, 83, 89, 97

Offset

1,1

Comments

Suggested by the Goldbach Conjecture.

Links

Table of n, a(n) for n=1..12.

Example

3+97=100; 11+89=100; 17+83=100; 29+71=100; 41+59=100; 47+53=100

Mathematica

Select[Prime[Range[25]], PrimeQ[100-#]&] (* James C. McMahon, Dec 26 2024 *)

Prog

(PARI) is(n)=isprime(n)&&isprime(100-n) \\ Charles R Greathouse IV, Sep 26 2013

Crossrefs

Sequence in context: A113803 A226423 A045431 * A154613 A109654 A172070

Adjacent sequences: A126688 A126689 A126690 * A126692 A126693 A126694

Keyword

easy,fini,full,nonn

Author

Tomas Xordan, Feb 14 2007

Status

approved