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A036915 Sum(C(2*n-2*k,n-k)^2*C(2*n,k)^2,k=0..n). +0
3
1, 8, 136, 2996, 76168, 2121808, 62886484, 1947164948, 62250464648, 2038917457664, 68056394358736, 2306354482651568, 79138758509239636, 2743929765899780336, 95983445574557632948, 3383168407446955236196, 120039826640626408744328 (list; graph; listen)
OFFSET

0,2

REFERENCES

There's an erroneous assertion (caused by a typographical error) in the first printing of M. Petkovsek et al., "A=B", Peters, p. ix. that this is the same as A036917; it is not.

CROSSREFS

Sequence in context: A072072 A131927 A132869 this_sequence A049211 A024283 A134053

Adjacent sequences: A036912 A036913 A036914 this_sequence A036916 A036917 A036918

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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