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A117808
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Primes of the form floor(((2 + sqrt(3))^n + (2 - sqrt(3))^n)/4).
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2
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OFFSET
| 1,1
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COMMENTS
| Gaukman sequence from Mathworld Mathematica notebook.
Primes among absolute values of A108946.
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REFERENCES
| Eric Weisstein. "Prime-Generating Polynomial." http://mathworld.wolfram.com/Prime-GeneratingPolynomial.html
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MATHEMATICA
| a=Expand[Table[(((2 + Sqrt[3])^#1 + (2 - Sqrt[3])^#1)/4 & )[Prime[n]], {n, 10}]] Floor[a]
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CROSSREFS
| Sequence in context: A114317 A168320 A081299 * A002065 A087601 A145503
Adjacent sequences: A117805 A117806 A117807 * A117809 A117810 A117811
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KEYWORD
| nonn
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AUTHOR
| Roger Bagula (rlbagulatftn(AT)yahoo.com), Apr 29 2006
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EXTENSIONS
| Definition and terms corrected by N. J. A. Sloane, May 21, 2010
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