On sequence nXn where x equal 09,18,27,36,45,54,63,72,82,90

Karima MOUSSAOUI bouyao at wanadoo.fr
Mon Feb 23 18:01:36 CET 2004


Dear Seqfna,
Can anyone find n such that n09n, n18n,n27n,n36n,n45n,n54n,n63n,n72n,n81n,n90n, are all primes
where n09n designe concatenation of (n 09 n) (example 1091 is prime, 310931 is prime)

Thanks
M.Bouayoun
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