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A033181
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Composite n such that abs(a^((n-1)/2) mod n) = 1 for all a with (a,n) = 1.
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1
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1729, 2465, 15841, 41041, 46657, 75361, 162401, 172081, 399001, 449065, 488881, 530881, 656601, 670033, 838201, 997633
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Sequence of absolute Euler pseudoprimes c with property that for each prime divisr p, p-1 divides (c-1)/2). E.g. 2465 = 5*17*29; 1232/4 = 308; 1232/16 = 77; 1232/28 = 44 - Karsten Meyer (arbol01(AT)gmx.de), Nov 08 2005
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CROSSREFS
| Sequence in context: A044883 A154717 A051388 * A198775 A154729 A083737
Adjacent sequences: A033178 A033179 A033180 * A033182 A033183 A033184
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KEYWORD
| nonn,more
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AUTHOR
| N. J. A. Sloane, Dec 11 1999
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