1,5

Count prime pairs below 10^n having a difference of 38

a(5)=19 because there are 19 prime gaps of 38 below 10^5

Sequence in context: A098304 A014900 A121324 this_sequence A142549 A049629 A144745

Adjacent sequences: A093970 A093971 A093972 this_sequence A093974 A093975 A093976

nonn

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