1,4

Take the absolute value of the difference between counts of runs of 5 primes congruent to 1 mod 4 and 3 mod 4.

a(6)=52 because in A092648 the count is 344 and in A092649 the count is 396. 396-344=52.

Cf. A092648 A092649.

Sequence in context: A100018 A109347 A054210 this_sequence A104024 A096681 A067276

Adjacent sequences: A092647 A092648 A092649 this_sequence A092651 A092652 A092653

easy,more,nonn

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