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Search: id:A089173
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| A089173 |
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Solutions x for x^4-1 = kp where p is prime and k=1,2... |
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+0
1
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| 2, 2, 4, 3, 6, 3, 5, 4, 4, 10, 9, 6, 14, 5, 11, 16, 6, 5, 8, 20, 15, 7, 24, 8, 26, 12, 19, 7, 8, 10
(list; graph; listen)
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OFFSET
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1,1
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PROGRAM
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(PARI) xpm1(n, m, pow) = { for(k=1, m, for(x=1, n, y= x^pow - 1; z=floor(y/k); if(floor(y/k)*k==y, if(isprime(z), print1(x", ") ) ) ) )
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CROSSREFS
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Sequence in context: A059975 A087656 A122811 this_sequence A126090 A058266 A138664
Adjacent sequences: A089170 A089171 A089172 this_sequence A089174 A089175 A089176
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KEYWORD
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easy,nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Dec 07 2003
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