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 A097935 Number of primes that are not less than prime(n)-n and not greater than prime(n)+n. 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; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS 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 * A188940 A109870 A171502 Adjacent sequences:  A097932 A097933 A097934 * A097936 A097937 A097938 KEYWORD nonn AUTHOR Reinhard Zumkeller, Sep 05 2004 STATUS approved

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