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A096214
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First prime in primes of the form 10^n + 10^(n-k) - 1.
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0
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109, 1009, 10009, 1000099, 1000009999, 1000000999999, 10000000999, 1000000009, 1000000000999999999, 10000000000099, 100000000000099, 100000000000009999, 10000000000000099, 100000000000000099, 1000000000000000009
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OFFSET
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1,1
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LINKS
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PROG
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(PARI) f(n, z) = for(x=z, n, y=10^x+10^(x-z)-1; if(ispseudoprime(y), print1(y", ")))
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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