1,6

Take the absolute value of the difference between counts of runs of 9 primes congruent to 1 mod 4 and 3 mod 4.

a(8)=46 because in A092660 the count is 851 and in A092661 the count is 897. 897-851=46.

Cf. A092660 A092661.

Sequence in context: A038180 A058925 A136557 this_sequence A052811 A078603 A001587

Adjacent sequences: A092659 A092660 A092661 this_sequence A092663 A092664 A092665

easy,more,nonn

Enoch Haga (Enokh(AT)comcast.net), Mar 02 2004