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Search: id:A101448
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| A101448 |
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Numbers n such that 2n + 11 is prime. |
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+0
5
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| 0, 1, 3, 4, 6, 9, 10, 13, 15, 16, 18, 21, 24, 25, 28, 30, 31, 34, 36, 39, 43, 45, 46, 48, 49, 51, 58, 60, 63, 64, 69, 70, 73, 76, 78, 81, 84, 85, 90, 91, 93, 94, 100, 106, 108, 109, 111, 114, 115, 120, 123, 126, 129, 130, 133
(list; graph; listen)
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OFFSET
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1,3
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COMMENT
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2 is the smallest single-digit prime and 11 is the smallest two-digit prime.
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EXAMPLE
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If n=1, then 2*1 + 11 = 13 (prime)
If n=49, then 2*49 + 11 = 109 (prime)
If n=69, then 2*69 + 11 = 149 (prime)
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MATHEMATICA
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Select[Range[0, 200], PrimeQ[2# + 11] &] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Feb 28 2006
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CROSSREFS
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Cf. A101123, A101086.
Sequence in context: A047231 A050131 A089986 this_sequence A005122 A166161 A034706
Adjacent sequences: A101445 A101446 A101447 this_sequence A101449 A101450 A101451
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KEYWORD
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nonn
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jan 24 2005
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EXTENSIONS
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More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Feb 28 2006
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