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A102339
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Numbers n such that n333 is prime.
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0
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2, 5, 7, 10, 16, 17, 19, 20, 23, 29, 31, 38, 41, 49, 50, 55, 56, 59, 61, 64, 71, 76, 79, 85, 92, 100, 101, 103, 121, 134, 136, 139, 140, 143, 149, 154, 155, 161, 175, 176, 178, 182, 184, 188, 208, 209, 211, 217, 220, 232, 236, 239, 241, 244, 265, 266, 269, 271, 272, 274, 286, 287, 295, 299, 301, 308
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| If n=2, then n333 = 2333 (prime).
If n=49, then n333 = 49333 (prime).
If n=92, then n333 = 92333 (prime)
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PROG
| (MAGMA) [ n: n in [1..700] | IsPrime(Seqint([3, 3, 3] cat Intseq(n))) ]; // From Vincenzo Librandi, Feb 04 2011
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CROSSREFS
| Cf. A101472.
Sequence in context: A018270 A080180 A159942 * A172410 A103871 A068817
Adjacent sequences: A102336 A102337 A102338 * A102340 A102341 A102342
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KEYWORD
| nonn,base
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Feb 20 2005
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