id:A071702 - OEIS Search Results

Search: id:A071702

Displaying 1-1 of 1 results found.

page 1

Number of twin prime pairs <= n of form (4*k+3,4*(k+1)+1), k>=0.

+0
2

0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 (list; graph; listen)

	OFFSET	`1,11`
	COMMENT	`As for A071538 the convention is followed that a twin prime pair is <= n if its smaller member is <= n.`
	EXAMPLE	`a(60)=3, since (59,61) is included along with (3,5) and (11,13).`
	CROSSREFS	`a(n) = A071538(n) - A071701(n), cf. A071698, A071699.` `Adjacent sequences: A071699 A071700 A071701 this_sequence A071703 A071704 A071705` `Sequence in context: A036452 A102572 A098391 this_sequence A076303 A071839 A111893`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 04 2002`

page 1

Search completed in 0.002 seconds

Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.

AT&T Labs Research