id:A100740 - OEIS Search Results

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Inverse modulo 2 binomial transform of 7^n.

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1, 6, 48, 288, 2400, 14400, 115200, 691200, 5764800, 34588800, 276710400, 1660262400, 13835520000, 83013120000, 664104960000, 3984629760000, 33232930569600, 199397583417600, 1595180667340800, 9571084004044800 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`7^n may be retrieved as sum{k=0..n, mod(binomial(n,k),2)A100740(k)}.`
	FORMULA	`a(n)=sum{k=0..n, (-1)^A010060(n-k)*mod(binomial(n, k), 2)7^k}.`
	CROSSREFS	`Sequence in context: A052771 A056289 A056284 this_sequence A043020 A073994 A165758` `Adjacent sequences: A100737 A100738 A100739 this_sequence A100741 A100742 A100743`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Dec 06 2004`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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