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A089672 Let S3 := (n,t)->add( k^t * (add( binomial(n,j), j=0..k))^3, k=0..n); a(n) = S3(n,2). 0
0, 8, 1051, 47024, 1343372, 29595904, 549599246, 9039987264, 135800368320, 1901346478080, 25165027679242, 318105020914208, 3870088369412824, 45584244411107584, 522235732874214800, 5840992473138691072, 63970901725419781632, 687749464543749095424, 7273214936974305201570 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

Jun Wang and Zhizheng Zhang, On extensions of Calkin's binomial identities, Discrete Math., 274 (2004), 331-342.

LINKS

Table of n, a(n) for n=0..18.

CROSSREFS

Sequence in context: A316395 A176372 A047943 * A279881 A246114 A229164

Adjacent sequences:  A089669 A089670 A089671 * A089673 A089674 A089675

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 04 2004

STATUS

approved

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Last modified May 23 12:38 EDT 2019. Contains 323514 sequences. (Running on oeis4.)