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A127520 a(n) = denominator of sum{k=1 to n} 1/A127518(k). 2
1, 3, 24, 120, 120, 840, 840, 840, 280, 2520, 27720, 27720, 360360, 360360, 360360, 720720, 12252240, 4084080, 77597520, 15519504, 15519504, 5173168, 118982864, 356948592, 8923714800, 80313433200, 80313433200, 80313433200, 2329089562800 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A127518, A127519.

Sequence in context: A050545 A139031 A065692 * A175115 A151883 A009134

Adjacent sequences:  A127517 A127518 A127519 * A127521 A127522 A127523

KEYWORD

frac,nonn

AUTHOR

Leroy Quet Jan 17 2007

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jan 22 2007

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Last modified February 16 01:31 EST 2012. Contains 205860 sequences.