id:A056784 - OEIS Search Results

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First nonprime in a sequence of consecutive nonprimes which is at least twice as long as any earlier run of consecutive nonprimes in this list.

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1, 8, 90, 524, 9552, 31398, 2010734, 2300942550, 2614941710600, 352521223451364324 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Thomas R. Nicely, First occurrence of prime gaps`
	EXAMPLE	`2300942550 is the first of 319 consecutive composite numbers.` `2614941710600 is the first of 651 consecutive composite numbers.` `352521223451364324 is the first of 1327 consecutive composite numbers.`
	CROSSREFS	`Cf. A008950, A008995, A008996, A114100, A002386.` `Sequence in context: A045732 A077192 A128304 this_sequence A166769 A092956 A034667` `Adjacent sequences: A056781 A056782 A056783 this_sequence A056785 A056786 A056787`
	KEYWORD	`nonn`
	AUTHOR	`Frank Michael Richards (fmrichards(AT)usa.net), Jun 19 2001`
	EXTENSIONS	`Corrected by R. J. Mathar, Sep 29 2006` `Three more terms from Donovan Johnson (donovan.johnson(AT)yahoo.com), Jan 28 2008`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.