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 A061484 Numerator of 1/3 + 3/5 + 5/7 + ... + (2n - 1)/(2n + 1). 1
 0, 1, 14, 173, 764, 11239, 184222, 223261, 4471112, 97969133, 111132998, 2861599189, 15847336748, 52189778369, 1649032491226, 55341482060581, 59580601511056, 63835349051671, 2519849300889202, 2678253518766877 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Harvey P. Dale, Table of n, a(n) for n = 0..1000 EXAMPLE 1/3, 14/15, 173/105, 764/315,... MAPLE summ := 0; for n from 1 to 30 do printf("%d ", numer(summ)); if (1 = 1) then summ := summ + (2*n-1)/(2*n+1): end if; od; MATHEMATICA Join[{0}, Accumulate[Table[(2n-1)/(2n+1), {n, 30}]]//Numerator] (* Harvey P. Dale, Jan 03 2023 *) CROSSREFS Sequence in context: A191690 A016136 A277940 * A097583 A269680 A269469 Adjacent sequences: A061481 A061482 A061483 * A061485 A061486 A061487 KEYWORD nonn,frac,easy AUTHOR Amarnath Murthy, May 05 2001 EXTENSIONS Corrected and extended by Winston C. Yang (winston(AT)cs.wisc.edu), May 19 2001 Fourth example term corrected by Charles J. Daniels (chajadan(AT)gmail.com), Dec 02 2009 STATUS approved

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Last modified February 29 16:02 EST 2024. Contains 370425 sequences. (Running on oeis4.)