A101808 - OEIS

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A101808

Number of primes between two consecutive even numbers.

1, 2, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`a(n)=A101264(n), n>1. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 13 2008]`
	EXAMPLE	`a(1)=2 because between 2 and 4 there are two primes: 2,3;` `a(2)=1 because between 4 and 6 there is one prime: 5;` `a(4)=0 because between 8 and 10 there is not primes.`
	CROSSREFS	`Sequence in context: A128409 A133699 A157361 * A145865 A076452 A076453` `Adjacent sequences: A101805 A101806 A101807 * A101809 A101810 A101811`
	KEYWORD	`easy,nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Jan 27 2005`

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.