id:A014484 - OEIS Search Results

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

+0
2

1, 10, 112, 1440, 21120, 349440, 6451200, 131604480, 2941747200, 71530905600, 1880240947200, 53137244160000, 1606870263398400, 51776930709504000, 1771128112545792000, 64103411041173504000 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`(n+1)(n+2)(2n+3)/6 * 2^n * n!. - R. Stephan, Mar 24 2004`
	CROSSREFS	`Cf. A006157.` `Sequence in context: A084031 A066275 A046164 this_sequence A110040 A129866 A024130` `Adjacent sequences: A014481 A014482 A014483 this_sequence A014485 A014486 A014487`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.

AT&T Labs Research