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A146480 Numbers n with property that p=(2n)+1 and q=(2n)^3+3 are primes. 0
1, 2, 8, 11, 26, 50, 53, 83, 95, 140, 215, 233, 251, 308, 341, 350, 380, 440, 443, 491, 590, 641, 893, 935, 938, 953, 956, 986, 998, 1040, 1055, 1103, 1106, 1220, 1295, 1430, 1451, 1478, 1505, 1511, 1568, 1583, 1628, 1778, 1808, 1898, 1910, 1916, 1958, 2006 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Intersection of A005097 with the sequence of halved terms of A049441. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 05 2008]

EXAMPLE

{n, p, q}: {1, 3, 11}, {2, 5, 67}, {8, 17, 4099}, {11, 23, 10651}, {26, 53, 140611}, {50, 101, 1000003}, {53, 107, 1191019}, {83, 167, 4574299}, {95, 191, 6859003}.

PROG

(MAGMA)[n: n in [0..10000]|IsPrime((2*n)+1) and IsPrime((2*n)^3+3)][From Vincenzo Librandi, Dec 13 2010]

CROSSREFS

Sequence in context: A174114 A197540 A089118 * A093918 A135132 A178060

Adjacent sequences:  A146477 A146478 A146479 * A146481 A146482 A146483

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Oct 30 2008

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Last modified February 15 20:26 EST 2012. Contains 205852 sequences.