A053542 - OEIS

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A053542

Distance from n-th composite number (A002808) to next prime.

1, 1, 3, 2, 1, 1, 3, 2, 1, 1, 3, 2, 1, 5, 4, 3, 2, 1, 1, 5, 4, 3, 2, 1, 3, 2, 1, 1, 3, 2, 1, 5, 4, 3, 2, 1, 5, 4, 3, 2, 1, 1, 5, 4, 3, 2, 1, 3, 2, 1, 1, 5, 4, 3, 2, 1, 3, 2, 1, 5, 4, 3, 2, 1, 7, 6, 5, 4, 3, 2, 1, 3, 2, 1, 1, 3, 2, 1, 1, 3, 2, 1, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 3, 2, 1, 5, 4, 3, 2, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,3`
	FORMULA	`Beginning with 2, make sequence of composites; measure distances to next prime`
	EXAMPLE	`a(1)=4, composite; distance to next prime, 5, is 1.`
	CROSSREFS	`Cf. A002808.` `Sequence in context: A010268 A181657 A172254 * A087284 A152176 A152175` `Adjacent sequences: A053539 A053540 A053541 * A053543 A053544 A053545`
	KEYWORD	`easy,nonn`
	AUTHOR	`Enoch Haga (Enokh(AT)comcast.net), Jan 16 2000`
	EXTENSIONS	`Edited by N. J. A. Sloane, Sep 09 2011`

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Last modified February 17 22:48 EST 2012. Contains 206085 sequences.