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Search: id:A121208
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| A121208 |
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Cyclotomic polynomials evaluated at prime number abscissae. |
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+0
1
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| 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 20, 21, 22, 24, 26, 28, 30, 31, 32, 36, 38, 40, 42, 43, 44, 46, 48, 50, 52, 54, 57, 58, 60, 61, 62, 66, 68, 70, 72, 73, 74, 78, 80, 82, 84, 88, 90, 96, 98, 100, 102, 104, 106, 108, 110, 111, 112, 114, 121, 122, 126, 127
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Contains as subsets: all A006093 which are Phi_1(p), all A008864 which are Phi_2(p), all A060800 which are Phi_3(p), all A066872 which are Phi_4(p) and all A119959 which are Phi_6(p).
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LINKS
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Eric Weisstein's World of Mathematics, Cyclotomic Polynomials.
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FORMULA
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a(n) = Phi_j(p), p in A000040, j=1,2,3,4...
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EXAMPLE
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Contains 50, which is the fourth cyclotomic polynomial evaluated at the prime 7, 50=Phi_4(7).
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CROSSREFS
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Cf. A000040, A006093, A008864, A060800, A066872, A119959.
Adjacent sequences: A121205 A121206 A121207 this_sequence A121209 A121210 A121211
Sequence in context: A004745 A095949 A106092 this_sequence A123345 A093641 A096157
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KEYWORD
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nonn
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AUTHOR
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R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 20 2006
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