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A102720
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Numerator of Sum_{k=1..n} k^2*H_{n+k} where H_m = Sum_{i=1..m}.
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3
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0, 3, 61, 499, 1657, 19627, 270271, 566414, 10013422, 98370749, 101287949, 2390592307, 12232312607, 37470326437, 1107461467873, 139734625012252, 141993136103452, 36029639090623, 1351662817439371, 1369250429650771, 56824258828125611, 2471493519758983073
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| M. Kauers and C. Schneider, Indefinite summation with unspecified summands, Discr. Math., 306 (2006), 2073-2083. See Eq. 4.
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EXAMPLE
| 0, 3/2, 61/6, 499/15, 1657/21, 19627/126, 270271/990, 566414/1287, ...
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CROSSREFS
| Cf. A144653.
Sequence in context: A105430 A141979 A185831 * A120308 A186205 A009476
Adjacent sequences: A102717 A102718 A102719 * A102721 A102722 A102723
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KEYWORD
| nonn,frac
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jan 28 2009
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