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Search: id:A116614
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| A116614 |
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Values of n such that p(2n) mod 12 = 1, where p(j) denotes the j-th prime. |
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2
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| 3, 6, 9, 21, 22, 25, 34, 35, 37, 39, 40, 41, 42, 44, 50, 53, 55, 56, 61, 65, 67, 68, 84, 86, 87, 90, 99, 102, 108, 113, 122, 127, 130, 132, 139, 142, 153, 154, 155, 158, 161, 163, 176, 183, 189, 190, 194, 198, 211, 219, 225, 232, 233, 237, 238, 248, 258, 259, 278
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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A116614 = 1/2 * { even terms in A160594 = A000720(A068228) } [From M. F. Hasler (MHasler(AT)univ-ag.fr), May 22 2009]
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EXAMPLE
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53 is in the sequence because the 106-th prime is 577 and 577 mod 12=1.
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MAPLE
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a:=proc(n) if ithprime(2*n) mod 12 = 1 then n else fi end: seq(a(n), n=1..300);
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PROGRAM
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(PARI) for(n=1, 999, prime(2*n)%12==1 & print1(n", ")) \\\\ [From M. F. Hasler (MHasler(AT)univ-ag.fr), May 22 2009]
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CROSSREFS
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Cf. A116602, A116610, A116612-A116617, A160591-A160594. [From M. F. Hasler (MHasler(AT)univ-ag.fr), May 22 2009]
Sequence in context: A059006 A018186 A015938 this_sequence A089001 A050889 A026095
Adjacent sequences: A116611 A116612 A116613 this_sequence A116615 A116616 A116617
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KEYWORD
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nonn
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AUTHOR
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Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Mar 29 2006
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EXTENSIONS
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Edited by N. J. A. Sloane (njas(AT)research.att.com), Apr 05 2006
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