id:A086952 - OEIS Search Results

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n^2*4^n/4.

+0
2

0, 1, 16, 144, 1024, 6400, 36864, 200704, 1048576, 5308416, 26214400, 126877696, 603979776, 2835349504, 13153337344, 60397977600, 274877906944, 1241245548544, 5566277615616, 24807731101696, 109951162777600 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Binomial transform of A086951. Third binomial transform of decagonal numbers A001107.`
	FORMULA	`G.f.: x(1+4x)/(1-4x)^3`
	CROSSREFS	`Sequence in context: A004409 A054851 A000762 this_sequence A155663 A077485 A131705` `Adjacent sequences: A086949 A086950 A086951 this_sequence A086953 A086954 A086955`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jul 24 2003`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research