id:A103478 - OEIS Search Results

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Apparently the sequence of the positive integers n for which 1+5*2^(n+2) divides the Fermat number 1+2^2^n.

+0
3

5, 23, 73, 125, 1945, 23471 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`ProthSearch - Fermat`
	EXAMPLE	`a(1)=5 because 5 is the smallest positive integer n for which 1+5*2^(n+2) divides the Fermat number 1+2^2^n`
	CROSSREFS	`Cf. A103477 A103479.` `Sequence in context: A064395 A138905 A125955 this_sequence A121868 A111584 A139209` `Adjacent sequences: A103475 A103476 A103477 this_sequence A103479 A103480 A103481`
	KEYWORD	`nonn`
	AUTHOR	`Serhat Sevki Dincer (mesti_mudam(AT)yahoo.com), Feb 07 2005`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.