id:A089994 - OEIS Search Results

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Number of primes between factors of n-th semiprime.

+0
5

0, 0, 0, 1, 2, 0, 1, 3, 0, 4, 2, 5, 0, 6, 3, 7, 0, 4, 1, 5, 8, 9, 2, 6, 10, 0, 11, 3, 12, 7, 1, 8, 13, 4, 14, 9, 5, 15, 2, 0, 16, 10, 11, 3, 17, 12, 18, 0, 6, 19, 7, 20, 13, 4, 21, 0, 14, 22, 15, 8, 1, 23, 16, 24, 5, 9, 25, 2, 17, 26, 10, 6, 27, 18, 0, 28, 11, 19, 1, 20, 3, 29, 7, 30 (list; graph; listen)

	OFFSET	`1,5`
	COMMENT	`a(m)=0 iff m in A033476; a(m)>0 iff m in A089995.`
	CROSSREFS	`Cf. A001358, A084126, A084127, A000720.` `Sequence in context: A022880 A128097 A060318 this_sequence A100260 A165317 A124943` `Adjacent sequences: A089991 A089992 A089993 this_sequence A089995 A089996 A089997`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 19 2003`

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

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