1,5

Count prime pairs below 10^n having a difference of 50

a(5)=5 because there are 5 prime gaps of 50 below 10^5

Sequence in context: A114481 A015002 A059490 this_sequence A142479 A113056 A048564

Adjacent sequences: A093976 A093977 A093978 this_sequence A093980 A093981 A093982

nonn

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