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A127871 Numbers n such that n^4+1 and n^4+3 are twin primes. +0
4
2, 16, 28, 34, 82, 118, 266, 296, 328, 436, 778, 1126, 1238, 1280, 1486, 1496, 1612, 1952, 2102, 2192, 2312, 2414, 2578, 2690, 2770, 2834, 2872, 3100, 3410, 3550, 3620, 3752, 4012, 4016, 4240, 4264, 4450, 4772, 5084, 5458, 5732, 5798, 5864, 6704, 7208 (list; graph; listen)
OFFSET

1,1

COMMENT

Intersection of A000068 and A125259.

MATHEMATICA

Select[Range[0, 200000, 2], PrimeQ[ #^4+1]&&PrimeQ[ #^4+3]&]

CROSSREFS

Cf. A000068, A125259.

Adjacent sequences: A127868 A127869 A127870 this_sequence A127872 A127873 A127874

Sequence in context: A067555 A108705 A113933 this_sequence A109210 A056707 A069256

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Apr 05 2007

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.


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