id:A020925 - OEIS Search Results

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A020925

Expansion of (1-4*x)^(13/2).

+0
1

1, -26, 286, -1716, 6006, -12012, 12012, -3432, -858, -572, -572, -728, -1092, -1848, -3432, -6864, -14586, -32604, -76076, -184184, -460460, -1184040, -3121560, -8414640, -23140260, -64792728, -184410072, -532740208 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)= (-2)^n product(13-2i,i=0..n-1)/n! for n>0. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 19 2008`
	CROSSREFS	`Sequence in context: A137787 A022686 A130901 this_sequence A125414 A010831 A022718` `Adjacent sequences: A020922 A020923 A020924 this_sequence A020926 A020927 A020928`
	KEYWORD	`sign`
	AUTHOR	`njas`

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Last modified July 25 02:12 EDT 2008. Contains 142294 sequences.

AT&T Labs Research