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A102542
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Numbers n such that n333333 is prime.
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0
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10, 29, 31, 32, 34, 46, 50, 58, 62, 76, 79, 82, 83, 89, 100, 103, 109, 113, 115, 127, 137, 149, 151, 157, 158, 178, 184, 190, 194, 199, 205, 212, 218, 223, 236, 241, 257, 298, 302, 317, 326, 328, 337, 356, 358, 373, 386, 388, 395, 404, 409, 419, 449, 460, 464, 467, 479, 485, 488, 491, 502, 512
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| If n=10, then n333333 = 10333333 (prime).
If n=58, then n333333 = 58333333 (prime).
If n=100, then n333333 = 100333333 (prime).
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PROG
| (MAGMA) [ n: n in [1..700] | IsPrime(Seqint([3, 3, 3, 3, 3, 3] cat Intseq(n))) ]; [From Vincenzo Librandi, Feb 04 2011]
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CROSSREFS
| Sequence in context: A185985 A066527 A103423 * A098751 A143190 A009771
Adjacent sequences: A102539 A102540 A102541 * A102543 A102544 A102545
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KEYWORD
| base,nonn
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Feb 24 2005
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