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A020930 Expansion of 1/(1-4*x)^(19/2). 1
1, 38, 798, 12236, 152950, 1651860, 15967980, 141430680, 1166803110, 9075135300, 67156001220, 476197099560, 3254013513660, 21526550936520, 138384970306200, 867212480585520, 5311676443586310, 31870058661517860 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

FORMULA

a(n)=binomial(n+9, 9)*A000984(n+9)/A000984(9), A000984: central binomial coefficients - from wolfdieter.lang(AT)physik.uni-karlsruhe.de.

CROSSREFS

Sequence in context: A162392 A010990 A004420 * A104761 A016075 A028226

Adjacent sequences:  A020927 A020928 A020929 * A020931 A020932 A020933

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.