1,6

Take the absolute value of the difference between counts of runs of 10 primes congruent to 1 mod 4 and 3 mod 4.

a(8)=14 because in A092663 the count is 323 and in A092664 the count is 337. 337-323=14.

Cf. A092663 A092664.

Sequence in context: A055463 A091957 A056678 this_sequence A131758 A095909 A151872

Adjacent sequences: A092662 A092663 A092664 this_sequence A092666 A092667 A092668

easy,more,nonn

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