1,6
Take the absolute value of the difference between counts of runs of 6 primes congruent to 1 mod 4 and 3 mod 4.
a(6)=13 because in A092651 the count is 127 and in A092652 the count is 140. 140-127=13.
Cf. A092651 A092652.
Sequence in context: A031074 A175109 A051878 * A067465 A166605 A054477
Adjacent sequences: A092650 A092651 A092652 * A092654 A092655 A092656
more,nonn
Enoch Haga (Enokh(AT)comcast.net), Mar 02 2004