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A153183
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Numbers n such that 3n-2 is prime
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3
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3, 5, 7, 11, 13, 15, 21, 23, 25, 27, 33, 35, 37, 43, 47, 51, 53, 55, 61, 65, 67, 71, 75, 77, 81, 91, 93, 95, 103, 105, 111, 113, 117, 123, 125, 127, 133, 137, 141, 145, 147, 153, 155, 163, 167, 175, 181, 183, 191, 193, 201, 203, 205, 207, 211, 215, 221, 225, 231
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| a(n) = A024892(n)+1. [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Dec 21 2008]
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EXAMPLE
| For n=3, p=7; n=13, p=37
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PROG
| (MAGMA) [ n: n in [1..235] | IsPrime(3*n-2) ]; [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Dec 21 2008]
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CROSSREFS
| Cf. A153184
Cf. A088878 (prime numbers p such that 3p-2 is a prime), A024892 (numbers n such that 3*n+1 is prime). [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Dec 21 2008]
Sequence in context: A036991 A165887 A091892 * A117203 A081118 A003255
Adjacent sequences: A153180 A153181 A153182 * A153184 A153185 A153186
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KEYWORD
| nonn
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AUTHOR
| Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Dec 20 2008
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EXTENSIONS
| More terms from Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Dec 21 2008
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