id:A046929 - OEIS Search Results

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Width of moat of composite numbers surrounding n-th prime.

+0
17

0, 0, 1, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 3, 5, 1, 1, 3, 1, 1, 3, 3, 5, 3, 1, 1, 1, 1, 3, 3, 3, 1, 1, 1, 1, 5, 3, 3, 5, 1, 1, 1, 1, 1, 1, 11, 3, 1, 1, 3, 1, 1, 5, 5, 5, 1, 1, 3, 1, 1, 9, 3, 1, 1, 3, 5, 5, 1, 1, 3, 5, 5, 5, 3, 3, 5, 3, 3, 7, 1, 1, 1, 1, 3, 3, 5, 3, 1, 1, 3, 7, 3, 3 (list; graph; listen)

	OFFSET	`1,9`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..10000`
	EXAMPLE	`23 has a buffer of 3 composites around it on each side: 20,21,22,23,24,25,26.`
	MAPLE	`with(numtheory); a := i->min(ithprime(n)-ithprime(n-1)-1, ithprime(n+1)-ithprime(n)-1);`
	CROSSREFS	`Related sequences: A023186-A023188, A046929-A046931, A051650, A051652, A051697-A051702, A051728-A051730.` `Sequence in context: A049653 A060266 A073310 this_sequence A068695 A110787 A139002` `Adjacent sequences: A046926 A046927 A046928 this_sequence A046930 A046931 A046932`
	KEYWORD	`nonn,easy,nice`
	AUTHOR	`njas`

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Last modified September 7 23:08 EDT 2008. Contains 143486 sequences.

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