A090807 - OEIS

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A090807

First prime in the earliest chain of n consecutive primes with gaps 2^1, 2^2,...,2^(n-1).

3, 5, 1997, 2237, 6824897 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	EXAMPLE	`The earliest chain of 4 consecutive primes separated by gaps 2^1, 2^2, 2^3 is:` `1997, 1999, 2003, 2011. Hence a(4) = 1997.`
	CROSSREFS	`Sequence in context: A119497 A012783 A062655 * A167483 A138154 A126334` `Adjacent sequences: A090804 A090805 A090806 * A090808 A090809 A090810`
	KEYWORD	`nonn`
	AUTHOR	`Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Feb 12 2004`

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Last modified February 17 11:46 EST 2012. Contains 206011 sequences.