1,5

Count prime pairs below 10^n having a difference of 42

a(6)=476 because there are 476 prime gaps of 42 below 10^6

Sequence in context: A012506 A081686 A003700 this_sequence A159248 A158583 A009081

Adjacent sequences: A093972 A093973 A093974 this_sequence A093976 A093977 A093978

nonn

Enoch Haga (Enokh(AT)comcast.net), Apr 24 2004