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A093419 Denominators of row sums in triangle described in A093412. 4
1, 1, 3, 6, 5, 10, 35, 140, 126, 1260, 1155, 13860, 12870, 12012, 45045, 360360, 340340, 2042040, 1939938, 369512, 117572, 2586584, 7436429, 178474296, 171609900, 1487285800, 1434168450, 40156716600, 38818159380, 1164544781400 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..30.

MATHEMATICA

Do[s = i = n; j = 1; x = i; y = j; While[x/y != 1, i--; j++; x += i; y += j; s += x/y]; Print[Denominator[s]], {n, 1, 30}] (Propper)

CROSSREFS

Essentially the same as A096620.

Cf. A093412, A093413, A093414, A093415, A093417, A093418.

Sequence in context: A118413 A096620 * A160049 A007479 A076535 A285327

Adjacent sequences:  A093416 A093417 A093418 * A093420 A093421 A093422

KEYWORD

nonn,frac

AUTHOR

Amarnath Murthy, Mar 30 2004

EXTENSIONS

Corrected and extended by Ryan Propper, Aug 16 2005

STATUS

approved

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Last modified July 21 02:32 EDT 2017. Contains 289629 sequences.