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Search: id:A020926
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A020926 Expansion of 1/(1-4*x)^(15/2). +0
2
1, 30, 510, 6460, 67830, 624036, 5200300, 40116600, 290845350, 2003601300, 13223768580, 84151254600, 518932736700, 3113596420200, 18236779032600, 104557533120240, 588136123801350, 3252046802195700 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=binomial(n+7, 7)*A000984(n+7)/A000984(7), A000984: central binomial coefficients - from wolfdieter.lang(AT)physik.uni-karlsruhe.de.

CROSSREFS

Sequence in context: A090957 A060560 A118681 this_sequence A022754 A050982 A004327

Adjacent sequences: A020923 A020924 A020925 this_sequence A020927 A020928 A020929

KEYWORD

nonn

AUTHOR

njas

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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