| 3, 11, 13, 17, 19, 29, 31, 37, 41, 53, 59, 61, 67, 71, 73, 83, 89, 97, 101, 107, 131, 137, 139, 149, 163, 173, 179, 181, 191, 193, 197, 211, 227, 233, 241, 251, 269, 271, 281, 293, 307, 313, 317, 337, 347, 349, 373, 379, 389, 401, 409, 419, 421, 439, 443, 449
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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N. Hobson, Home page (listed in lieu of email address)
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EXAMPLE
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13 is in the sequence because the order of 3 modulo 13 is 3.
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PROGRAM
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(PARI) forprime(p=3, 500, for(x=2, p-1, if(znorder(Mod(x, p))==x, print1(p, ", "); break)))
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CROSSREFS
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Sequence in context: A031449 A090260 A020635 this_sequence A052362 A001619 A071197
Adjacent sequences: A127206 A127207 A127208 this_sequence A127210 A127211 A127212
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KEYWORD
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easy,nonn
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AUTHOR
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Nick Hobson Jan 11 2007
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