id:A140801 - OEIS Search Results

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a(n)=a(n-1)+720=a(n-1)+A091137(4). a(n)=360*A005408(n)=30*A073762(n). 360=A091137(4)/A091137(1). 30=A091137(4)/A091137(3)=A002445(2) a Bernoulli denominator.

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360, 1080, 1800, 2520, 3240, 3960 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Fourth of a family after A005408, A017593 and A073762.`
	FORMULA	`Differences are repeat: 720 .`
	CROSSREFS	`Sequence in context: A056492 A158308 A112536 this_sequence A056390 A056380 A024185` `Adjacent sequences: A140798 A140799 A140800 this_sequence A140802 A140803 A140804`
	KEYWORD	`nonn,uned`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Jul 15 2008`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.