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A103544
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Least n-digit zeroless prime with nonprime digits.
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1
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11, 149, 1181, 11119, 111119, 1111169, 11111119, 111111181, 1111111181, 11111111449, 111111111149, 1111111111441, 11111111111411, 111111111111691, 1111111111111181, 11111111111111119, 111111111111111161
(list; graph; refs; listen; history; internal format)
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OFFSET
| 2,1
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MATHEMATICA
| NextPrim[n_] := Block[{k = n + 1}, While[ !PrimeQ[k], k++ ]; k]; f[n_] := Block[{np = NextPrim[(10^n - 1)/9 - 1]}, While[ Union[ Join[{1, 4, 6, 8, 9}, IntegerDigits[np]]] != {1, 4, 6, 8, 9}, np = NextPrim[np]]; np]; Table[ f[n], {n, 2, 18}] (Robert G. Wilson v)
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CROSSREFS
| Sequence in context: A093750 A194726 A175635 * A038141 A142083 A205085
Adjacent sequences: A103541 A103542 A103543 * A103545 A103546 A103547
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KEYWORD
| base,nonn
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AUTHOR
| Ray G. Opao (1260(AT)email.com), Mar 22 2005
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EXTENSIONS
| More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Mar 23 2005
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