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A048950
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Base 3 Euler-Jacobi pseudoprimes.
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1
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121, 703, 1729, 1891, 2821, 3281, 7381, 8401, 8911, 10585, 12403, 15457, 15841, 16531, 18721, 19345, 23521, 24661, 28009, 29341, 31621, 41041, 44287, 46657, 47197, 49141, 50881, 52633, 55969, 63139, 63973, 74593, 75361, 79003, 82513
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OFFSET
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1,1
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COMMENTS
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Odd composite n with gcd(n,3)=1 and 3^((n-1)/2) == (3,n) (mod n) where (.,.) is the Jacobi symbol. - R. J. Mathar, Jul 15 2012
The base 5 Euler-Jacobi pseudoprimes are 781, 1541, 1729, 5461, 5611, 6601, 7499,... - R. J. Mathar, Jul 15 2012
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LINKS
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Table of n, a(n) for n=1..35.
A. Rotkiewicz, On Euler Lehmer pseudoprimes and strong Lehmer pseudoprimes with Parameters L, Q in arithmetic progressions, Math. Comp 39 (159) (1982) 239-247
Eric Weisstein's World of Mathematics, Euler-Jacobi Pseudoprime.
Index entries for sequences related to pseudoprimes
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CROSSREFS
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Cf. A047713 (base 2), A005935.
Sequence in context: A036306 A014749 A262051 * A020229 A141350 A235408
Adjacent sequences: A048947 A048948 A048949 * A048951 A048952 A048953
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KEYWORD
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nonn
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AUTHOR
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Eric W. Weisstein
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STATUS
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approved
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