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 A239565 (Round(c^prime(n)) - 1)/prime(n), where c is the hexanacci constant (A118427). 2
 6702, 23594, 301738, 14576792, 53653610, 2738173594, 38254296398, 143514673148, 2032676550562, 109797468019174, 6007838407290514, 22863415355711030, 1267938526864061370, 18523200405015238420, 70884650213591098558, 3989789924439684599434 (list; graph; refs; listen; history; text; internal format)
 OFFSET 7,1 COMMENTS For n>=7, round(c^prime(n)) == 1 (mod 2*prime(n)). Proof in Shevelev link. In particular, all terms are even. LINKS Table of n, a(n) for n=7..22. S. Litsyn and V. Shevelev, Irrational Factors Satisfying the Little Fermat Theorem, International Journal of Number Theory, vol.1, no.4 (2005), 499-512. V. Shevelev, A property of n-bonacci constant, Seqfan (Mar 23 2014) Eric Weisstein's World of Mathematics, Hexanacci Constant CROSSREFS Cf. A007619, A007663, A238693, A238697, A238698, A238700, A118427, A239502, A239544, A239564. Sequence in context: A358869 A031846 A289516 * A234242 A252602 A224689 Adjacent sequences: A239562 A239563 A239564 * A239566 A239567 A239568 KEYWORD nonn AUTHOR Vladimir Shevelev and Peter J. C. Moses, Mar 21 2014 STATUS approved

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Last modified May 20 05:07 EDT 2024. Contains 372703 sequences. (Running on oeis4.)