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A113034
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Beginning with 7, primes of the form: least multiple of the previous term followed by a 9. Beginning with 7, a(n) is the least prime of the form k*a(n-1)*10 +9.
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1
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7, 79, 3169, 31699, 1584959, 110947139, 8875771129, 88757711299, 30177621841669, 10260391426167469, 718227399831722839, 222650493947834080099, 122457771671308744054459, 9796621733704699524356729, 6563736561582148681319008439, 3019318818327788393406743881949
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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lm9[n_]:=Module[{k=1}, While[!PrimeQ[10*k*n+9], k++]; 10*k*n+9]; NestList[ lm9, 7, 15] (* Harvey P. Dale, Jan 16 2015 *)
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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