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A025539 a(n) = (Sum{1/C(i,j)})*LCM{C(i,j)}, 0 <= j <= i <= n. 0
1, 3, 11, 49, 130, 806, 957, 7723, 17438, 58154, 63886, 764858, 826222, 11530794, 12314319, 13092559, 27732718, 497636846, 523706646, 10443916834, 10935791938, 11426233362, 11915393030, 285278184586, 296478322266, 1538283113698 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A105151 A111680 A095822 * A172440 A074528 A004211

Adjacent sequences:  A025536 A025537 A025538 * A025540 A025541 A025542

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 14 09:42 EST 2012. Contains 205614 sequences.