id:A097935 - OEIS Search Results

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Number of primes that are not less than prime(n)-n and not greater than prime(n)+n.

+0
5

2, 3, 4, 4, 3, 5, 5, 5, 5, 5, 5, 6, 7, 7, 7, 8, 8, 9, 8, 9, 9, 10, 10, 12, 10, 10, 10, 11, 11, 12, 13, 13, 12, 13, 12, 12, 14, 16, 15, 15, 14, 15, 17, 17, 17, 17, 17, 18, 18, 19, 19, 19, 20, 18, 18, 20, 19, 19, 20, 21, 21, 21, 20, 21, 21, 23, 22, 23, 21, 22, 22, 22, 23, 24, 25 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n) = A000720(A014688(n)) - A000720(A014688(n)-1).`
	LINKS	`R. Zumkeller, Table of n, a(n) for n = 1..10000`
	EXAMPLE	`a(10) = #{p prime: A000040(10)-10 <= p <= A000040(10)-10} = #{p prime: 19 <= p <= 39} = #{19,23,29,31,37} = 5`
	CROSSREFS	`Sequence in context: A160371 A059686 A101083 this_sequence A109870 A005102 A030241` `Adjacent sequences: A097932 A097933 A097934 this_sequence A097936 A097937 A097938`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 05 2004`

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

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