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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!) A065431 Continued fraction expansion of Hardy-Littlewood constant (A065419) Product_{p prime >= 5} (1-(6*p^2-4*p+1)/(p-1)^4). 1 0, 3, 3, 1, 29, 4, 1, 20, 1, 2, 1, 45, 1, 1, 1, 5, 2, 1, 6, 1, 7, 9, 1, 12, 5, 4, 1, 22, 8, 1, 1, 1, 4, 1, 2, 1, 1, 13, 2, 2, 1, 20, 1, 1, 6, 1, 4, 5, 8, 12, 1, 1, 1, 18, 1, 1, 1, 11, 1, 1813, 2, 1, 6, 2, 1, 517, 1, 1, 4, 3, 6, 1, 4, 1, 1, 7, 4, 24, 3, 5, 1, 5, 2, 4, 1, 24, 4, 2, 7, 9, 1, 59, 3, 1, 2 (list; graph; refs; listen; history; text; internal format) OFFSET 0,2 LINKS Table of n, a(n) for n=0..94. Gerhard Niklasch, Some number-theoretical constants: 1000-digit values. PROG (PARI) contfrac(prodeulerrat(1-(6*p^2-4*p+1)/(p-1)^4, 1, 5)) \\ Amiram Eldar, Mar 10 2021 CROSSREFS Cf. A065419 (decimal expansion). Sequence in context: A276402 A318110 A117262 * A271082 A053375 A117252 Adjacent sequences: A065428 A065429 A065430 * A065432 A065433 A065434 KEYWORD nonn,cofr AUTHOR Robert G. Wilson v, Nov 16 2001 EXTENSIONS Sign in definition corrected by R. J. Mathar, Feb 25 2009 Offset changed by Andrew Howroyd, Jul 04 2024 STATUS approved

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Last modified August 27 19:37 EDT 2024. Contains 375471 sequences. (Running on oeis4.)