A100903 Numbers n such that (10^n-1)^2-2 is prime.
1, 8, 21, 123, 4299, 6128, 11760, 18884, 40293
Offset: 1
Links
- S. Harvey, Carol and Kynea Primes.
Programs
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PARI
is(n)=ispseudoprime((10^n-1)^2-2) \\ Charles R Greathouse IV, Feb 19 2016
Comments