A105604 - OEIS

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A105604

Sylvester dividends for Jacobsthal numbers.

1, 1, 1, 1, 1, 3, 1, 5, 3, 11, 1, 105, 1, 43, 33, 85, 1, 1197, 1, 1705, 129, 683, 1, 23205, 11, 2731, 171, 27305, 1, 2370291, 1, 21845, 2049, 43691, 473, 5679765, 1, 174763, 8193, 5941925 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,6`
	COMMENTS	`Divide each Jacobsthal number by its primitive part.`
	FORMULA	`a(n)=J(n)/A105603(n)`
	CROSSREFS	`Cf. A001045.` `Sequence in context: A195835 A077881 A129095 * A117576 A112447 A171382` `Adjacent sequences: A105601 A105602 A105603 * A105605 A105606 A105607`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Apr 15 2005`

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Last modified February 17 03:20 EST 2012. Contains 205978 sequences.