id:A083721 - OEIS Search Results

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Number of primes greater the greatest prime factor of n but not greater n.

+0
2

0, 0, 0, 1, 0, 1, 0, 3, 2, 1, 0, 3, 0, 2, 3, 5, 0, 5, 0, 5, 4, 3, 0, 7, 6, 3, 7, 5, 0, 7, 0, 10, 6, 4, 7, 9, 0, 4, 6, 9, 0, 9, 0, 9, 11, 5, 0, 13, 11, 12, 8, 9, 0, 14, 11, 12, 8, 6, 0, 14, 0, 7, 14, 17, 12, 13, 0, 12, 10, 15, 0, 18, 0, 9, 18, 13, 16, 15, 0, 19, 20, 9, 0, 19, 16, 9, 13, 18, 0, 21, 18 (list; graph; listen)

	OFFSET	`1,8`
	COMMENT	`a(n) = A000720(n) - A000720(A006530(n));` `n>1: a(n) = 0 iff n is prime.`
	CROSSREFS	`Cf. A083722, A079067.` `Sequence in context: A022959 A023445 A068494 this_sequence A031251 A128317 A084269` `Adjacent sequences: A083718 A083719 A083720 this_sequence A083722 A083723 A083724`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 04 2003`

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.

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