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Search: id:A047272
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| A047272 |
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Series of primes arising in connection with quadratic character of golden mean. |
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+0
2
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| 61, 89, 109, 149, 269, 389, 401, 421, 521, 661, 701, 761, 769, 809, 821, 829, 1009, 1049, 1069, 1181, 1249, 1289, 1301, 1361, 1381, 1409, 1429, 1601, 1721, 1901, 1949, 2081, 2089, 2141, 2221, 2269, 2309, 2341, 2381, 2441, 2549, 2729, 2741, 2749, 2789
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Primes p such that Mod(p,4)==1 and denominator(Fibonacci((p-1)/4)/p)==1.
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REFERENCES
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E. Lehmer, On the quadratic character of the Fibonacci root, Fib. Quart., 4 (1966), 135-138.
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CROSSREFS
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For nonprimes see A091982.
Sequence in context: A118162 A139931 A103812 this_sequence A123207 A038856 A045562
Adjacent sequences: A047269 A047270 A047271 this_sequence A047273 A047274 A047275
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KEYWORD
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nonn,easy
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AUTHOR
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njas
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu), Jan 25 2000
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