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A091300
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Nonprimes of form 6k+1.
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6
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1, 25, 49, 55, 85, 91, 115, 121, 133, 145, 169, 175, 187, 205, 217, 235, 247, 253, 259, 265, 289, 295, 301, 319, 325, 343, 355, 361, 385, 391, 403, 415, 427, 445, 451, 469, 475, 481, 493, 505, 511, 517, 529, 535, 553, 559, 565, 583, 589, 595, 625, 637, 649
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Nathaniel Johnston, Table of n, a(n) for n = 1..10000
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MAPLE
| for k from 0 to 100 do if(not isprime(6*k+1))then printf("%d, ", 6*k+1); fi: od: # Nathaniel Johnston, May 18 2011
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MATHEMATICA
| Do[If[ !PrimeQ[n]&&Equal[Mod[n, 6], 1 ], Print[n]], {n, 1, 1000}]
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CROSSREFS
| Cf. A091113, A092256.
Sequence in context: A198591 A069063 A064937 * A112771 A181782 A020146
Adjacent sequences: A091297 A091298 A091299 * A091301 A091302 A091303
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KEYWORD
| easy,nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Feb 24 2004
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