id:A101288 - OEIS Search Results

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The number of primes between the n-th single or isolated prime and n-th single or isolated composite.

+0
1

1, 5, 6, 7, 5, 5, 4, 2, 2, 3, 3, 4, 9, 6, 7, 10, 12, 10, 12, 13, 15, 26, 27, 30, 36, 41, 43, 46, 48, 49, 68, 69, 70, 73 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(1)=1 (2<3<4); a(2)=5 (23>19&17&13&11&7>6); a(3)=6 (37>31&29&23&19&17&13>12).`
	CROSSREFS	`Cf. A000040, A007510, A014574.` `Sequence in context: A030178 A038458 A021642 this_sequence A095942 A139395 A029911` `Adjacent sequences: A101285 A101286 A101287 this_sequence A101289 A101290 A101291`
	KEYWORD	`nonn,new`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Nov 02 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.