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Search: id:A039955
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| A039955 |
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Square-free numbers congruent to 1 mod 4. |
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+0
5
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| 5, 13, 17, 21, 29, 33, 37, 41, 53, 57, 61, 65, 69, 73, 77, 85, 89, 93, 97, 101, 105, 109, 113, 129, 133, 137, 141, 145, 149, 157, 161, 165, 173, 177, 181, 185, 193, 197, 201, 205, 209, 213, 217, 221, 229, 233, 237, 241, 249, 253, 257, 265, 269
(list; graph; listen)
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OFFSET
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0,1
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REFERENCES
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R. A. Mollin, Quadratics, CRC Press, 1996, Tables B1-B3.
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MATHEMATICA
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Select[ Select[ Range[ 2, 300 ], Max[ Transpose[ FactorInteger[ # ] ][ [ 2 ] ] ]==1& ], Mod[ #, 4 ]==1& ]
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CROSSREFS
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Cf. A039956, A039957.
Sequence in context: A103666 A082700 A077425 this_sequence A014539 A074278 A087895
Adjacent sequences: A039952 A039953 A039954 this_sequence A039956 A039957 A039958
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KEYWORD
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nonn,easy,nice
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AUTHOR
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R. K. Guy (rkg(AT)cpsc.ucalgary.ca)
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