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Search: id:A058341
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| A058341 |
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Primes p such that Phi[x]=p-1 has more than 2 solutions. |
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+0
2
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| 3, 5, 7, 13, 17, 19, 37, 41, 43, 61, 73, 89, 97, 101, 109, 113, 157, 163, 181, 193, 233, 241, 257, 277, 281, 313, 337, 349, 353, 397, 401, 409, 421, 433, 449, 457, 461, 487, 521, 541, 577, 593, 601, 613, 617, 641, 661, 673, 701, 733, 757, 761, 769, 821, 829
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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Phi[x]=1152=1153-1 has 54 solutions as follows: {1153, 1241, 1261, 1351, 1547, 1615, 1731, 1737, 1887, 1989, 2037, 2295, 2306, 2308, 2336, 2368, 2432, 2482, 2516, 2522, 2584, 2702, 2716, 2912, 2920, 2960, 3040, 3094, 3230, 3456, 3462, 3474, 3492, 3504, 3552, 3640, 3648, 3672, 3744, 3774, 3876, 3978, 4032, 4074, 4284, 4320, 4368, 4380, 4440, 4560, 4590, 4680, 5040, 5460}.
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CROSSREFS
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A000010, A006093.
Sequence in context: A045399 A122834 A107360 this_sequence A116036 A032397 A028879
Adjacent sequences: A058338 A058339 A058340 this_sequence A058342 A058343 A058344
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Dec 14 2000
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