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 A070524 Value of n-th cyclotomic polynomial at phi(n). 1
 0, 2, 7, 5, 341, 3, 55987, 257, 46873, 205, 11111111111, 241, 9726655034461, 39991, 14709241, 16777217, 19676527011956855057, 46441, 41660902667961039785743, 16519105, 8177824843189, 9090909091, 357686347714896679177439424707 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..23. EXAMPLE n=6: the 6th cyclotomic polynomial is 1 - x + xx, phi(6)=2, C(6, phi(6)) = C(6,2) = 1 - 2 + 4 = 3 = a(6). MATHEMATICA Table[Cyclotomic[w, EulerPhi[w]], {w, 1, 25}] CROSSREFS Cf. A070518-A070523. Sequence in context: A335594 A051757 A193746 * A259830 A259235 A371801 Adjacent sequences: A070521 A070522 A070523 * A070525 A070526 A070527 KEYWORD easy,nonn AUTHOR Labos Elemer, May 02 2002 STATUS approved

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Last modified September 8 22:43 EDT 2024. Contains 375759 sequences. (Running on oeis4.)